| UOP LLC Patent applications |
| Patent application number | Title | Published |
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| 20150344382 | SYSTEMS AND METHODS FOR HYDROGEN SELF-SUFFICIENT PRODUCTION OF RENEWABLE HYDROCARBONS - Methods and systems for hydrogen self-sufficient production of hydrocarbons from a renewable feedstock are provided. An exemplary method includes providing a renewable feedstock; contacting the renewable feedstock and hydrogen from a hydrogen stream with one or more catalysts to generate an effluent comprising n-paraffins and by-product hydrocarbons having 9 or fewer carbon atoms; separating the by-product hydrocarbons from the effluent to generate a hydrocarbon by-product stream; and feeding the hydrocarbon by-product stream to a hydrogen plant to generate the hydrogen stream. In this exemplary embodiment, the by-product hydrocarbons constitute the entire feed and fuel of the hydrogen plant, and wherein no hydrogen is added from an external source. | 12-03-2015 |
| 20150343435 | SHAPED ARTICLES FOR NUCLEAR REMEDIATION AND METHODS FOR FORMING SUCH SHAPED ARTICLES - Shaped articles and methods for forming shaped articles are provided. In one embodiment, a method for forming a shaped article includes providing a hydroxy metal oxide binder precursor in a solution of hydroxy metal oxide binder precursor. The method mixes a primary ion exchange composition with the solution of hydroxy metal oxide binder precursor. Further, the method mixes a solid with the solution of hydroxy metal oxide binder precursor. The method includes converting the hydroxy metal oxide binder precursor to a hydroxy metal oxide binder. Also, the method includes forming the shaped article from the primary ion exchange composition, the hydroxy metal oxide binder, and the solid. | 12-03-2015 |
| 20150330711 | SECONDARY WASH AT DISCHARGE DRUM - An apparatus and process is disclosed for the cooling of a reactor effluent gas stream. The apparatus includes a contact cooling system with a discharge drum providing a second wash zone. Each wash zone has a packed bed, or other type of mechanical system for contacting the gas stream with the cooling liquid. The liquid in the first stage will remove heavy components, allowing for a cleaner second stage that can be reduced in size. | 11-19-2015 |
| 20150329446 | TWO STAGE CONTACT COOLER - An apparatus and process is disclosed for the cooling of a reactor effluent gas stream. The apparatus includes a two stage contact cooling system with a first stage wash zone and second stage wash zone. Each wash zone has a packed bed, or other type of mechanical system for contacting the gas stream with the cooling liquid. The liquid in the first stage will remove heavy components, allowing for a cleaner second stage that can be reduced in size. | 11-19-2015 |
| 20150329442 | RECOVERY OPTIONS FOR n-BUTANE DEHYDROGENATION FOR ON-PURPOSE BUTADIENE PRODUCTION - A process for the production of butadiene is presented. The process converts a butane stream through dehydrogenation to process stream having butenes. The butenes are treated and separated from the process stream to generate an olefin rich stream. The olefin rich stream is passed to an oxydehydrogenation reactor for conversion to butadienes. The process utilizes a cold-box separation process for efficiently separating the process stream generated through dehydrogenation to separate light gases from the C4 hydrocarbon stream. | 11-19-2015 |
| 20150328594 | POLYIMIDE MEMBRANES WITH VERY HIGH SEPARATION PERFORMANCE FOR OLEFIN/PARAFFIN SEPARATIONS - A copolyimide membrane is provided by the present invention that is effective in separating olefins and paraffins. The membrane with very high selectivity and permeability in the present invention is used in a process for separating olefins from a mixture of olefins and paraffins, the process comprising providing a copolyimide membrane with very high selectivity and high permeability described in the present invention which is permeable to said olefin; (b) contacting the olefin/paraffin mixture on one side of the copolyimide membrane with very high selectivity and high permeability described in the present invention to cause the olefin to permeate the membrane; and (c) removing from the opposite side of the membrane a permeate gas composition comprising a portion of the olefin which permeated through the membrane. Ethylene, propylene, butene, or pentene is separated from ethane, propane, butane, or pentane, respectively with up to 99 mole % olefin content in the permeate. | 11-19-2015 |
| 20150322355 | APPARATUSES AND METHODS FOR CRACKING HYDROCARBONS - Methods and apparatuses are provided for cracking a hydrocarbon. The method includes contacting a first hydrocarbon stream with a first cracking catalyst at a first cracking temperature in a first riser to produce a first riser effluent and a first spent catalyst. A second hydrocarbon stream is contacted with a second cracking catalyst at a second cracking temperature in a second riser to produce a second riser effluent and a second spent catalyst, where the second cracking temperature is less than the first cracking temperature. The first riser effluent and the second riser effluent are combined to produce a mixed riser effluent, and the mixed riser effluent is fractionated in a fractionation zone to produce a light cycle oil. The first spent catalyst and the second spent catalyst are combined in a reactor to produce a mixed spent catalyst. | 11-12-2015 |
| 20150322353 | CONTAMINANT REMOVAL FROM HYDROCARBON STREAMS WITH LACTAMIUM BASED IONIC LIQUIDS - A process for removing a contaminant from a hydrocarbon stream using a lactamium based ionic liquid is described. The process includes contacting the hydrocarbon stream comprising the contaminant with a lean hydrocarbon-immiscible lactamium ionic liquid to produce a mixture comprising the hydrocarbon and a rich hydrocarbon-immiscible lactamium ionic liquid comprising at least a portion of the removed contaminant; and separating the mixture to produce a hydrocarbon effluent and a rich hydrocarbon-immiscible lactamium ionic liquid effluent comprising the rich hydrocarbon-immiscible lactamium ionic liquid. | 11-12-2015 |
| 20150322017 | SYNTHESIS OF N-DERIVATIZED LACTAM BASED IONIC LIQUID - Lactamium based ionic liquids and methods of making them are described. The ionic liquids comprise at least one of:
| 11-12-2015 |
| 20150322016 | SYNTHESIS OF LACTAM BASED IONIC LIQUID - Lactamium based ionic liquids are described. They comprise at least one of:
| 11-12-2015 |
| 20150321976 | METHODS AND SYSTEMS FOR REFORMING AND TRANSALKYLATING HYDROCARBONS - Methods and systems for reforming and transalkylating hydrocarbons are disclosed. A method for processing a hydrocarbon stream includes the steps of separating para-xylene from a first mixed-xylene and ethylbenzene-containing stream to produce a first non-equilibrium xylene and ethylbenzene stream and isomerizing the first non-equilibrium xylene and ethylbenzene stream to produce additional para-xylene. The method further includes transalkylating a toluene stream to produce a second mixed-xylene and ethylbenzene-containing stream, separating para-xylene from the second mixed-xylene and ethylbenzene-containing stream to produce a second non-equilibrium xylene and ethylbenzene stream, and isomerizing the second non-equilibrium xylene and ethylbenzene stream using an ethylbenzene dealkylation type xylene isomerization process to produce additional para-xylene. | 11-12-2015 |
| 20150316519 | METHOD FOR QUANTITATION OF ACID SITES IN ACIDIC IONIC LIQUIDS USING SILANE AND BORANE COMPOUNDS - A method of quantifying an amount of Brønsted acid sites in an acidic ionic liquid is described. The method involves adding a known amount of at least one silane or borane compound to the acidic ionic liquid being analyzed. The Brønsted acid sites in the acidic ionic liquid react with the silane or borane compound to form a silyl or boryl compound, resulting in an ionic liquid phase and a hydrocarbon phase which contains the silyl or boryl compound. The amount of silyl or boryl compound in the hydrocarbon phase is measured. From the measured amount of silyl or boryl compound formed, the amount of Brønsted acid sites can be determined. | 11-05-2015 |
| 20150315102 | PROCESS FOR PRODUCING A FEED STREAM FOR A STEAM CRACKER - A process for producing a feed for a stream cracker. At least a portion of the C | 11-05-2015 |
| 20150315101 | PROCESS FOR INCREASING THE YIELD OF AN ISOMERIZATION ZONE - A process for increasing a yield of an isomerization zone by removing at least a portion of the C | 11-05-2015 |
| 20150315100 | PROCESS FOR INCREASING THE YIELD OF AN ISOMERIZATION ZONE - A process for increasing a yield of an isomerization zone by removing at least a portion of the C | 11-05-2015 |
| 20150315099 | PROCESS FOR CONTROLLING THE YIELD OF AN ISOMERIZATION ZONE - A process for controlling a yield of an isomerization zone. Prior to entering the isomerization zone, C | 11-05-2015 |
| 20150315098 | PROCESS FOR INCREASING THE YIELD OF AN ISOMERIZATION ZONE FRACTIONATION - A process for increasing a yield of an isomerization zone by removing at least a portion of the C | 11-05-2015 |
| 20150315095 | HYDROCARBON CONVERSION PROCESS INCLUDING CATALYST REGENERATION - A hydrocarbon conversion process is described. The process includes contacting a hydrocarbon feed with an acidic catalyst under hydrocarbon conversion conditions in a hydrocarbon conversion zone. The hydrocarbon feed reacts to form a mixture comprising reaction products, the acidic catalyst, and deactivated acidic catalyst containing conjunct polymer. The mixture is separated into at least two streams, a first stream comprising the reaction products and a second stream comprising the deactivated acidic catalyst. The reaction products are recovered. The deactivated acidic catalyst is contacted with at least one silane or borane compound in a regeneration zone under regeneration conditions, the conjunct polymer reacting with the at least one silane or borane compound resulting in a catalyst phase and an organic phase containing the conjunct polymer and at least one silyl or boryl compound. | 11-05-2015 |
| 20150314281 | REGENERATION OF AN ACIDIC CATALYST BY BORANE ADDITION - A method of regenerating an acidic catalyst is described. A borane compound is contacted with an acidic catalyst that contains conjunct polymer, which releases the conjunct polymer from the acidic catalyst. The acidic catalyst can then be re-activated with acid. The conjunct polymer can be separated from the borane compound, and the borane compound can be recycled. | 11-05-2015 |
| 20150314264 | METAL IMPREGNATED ZEOLITE ADSORBENTS, METHODS OF MAKING, AND SYSTEMS FOR USING THE SAME - Metal exchanged and impregnated zeolite materials, methods for making metal exchanged and impregnated zeolite materials, and systems for reducing an amount of a contaminant species in a feed stream using a metal exchanged and impregnated zeolite material are provided. An exemplary metal exchanged and impregnated zeolite material comprises a metal exchanged zeolite material with the formula ((M | 11-05-2015 |
| 20150314231 | MEMBRANE SEPARATION ELEMENT AND PROCESS RELATING THERETO - One exemplary embodiment is a membrane separation element. The membrane separation element can include a membrane and a feed spacer positioned adjacent to the membrane. The feed spacer may include a first layer, a second layer, and a third layer. Usually, a plurality of fibers of the second layer only touches a plurality of fibers of the first and third layers. | 11-05-2015 |
| 20150308735 | METHODS AND SYSTEMS FOR SEPARATING HYDROCARBONS - Methods and systems for separating hydrocarbons are disclosed. In one example, a method for separating hydrocarbons includes separating a feed gas stream that includes methane, ethane, and propane and heavier hydrocarbons into a residue gas stream including the methane and the ethane and a natural gas liquids (NGL) stream include the propane and heavier hydrocarbons, compressing the residue gas stream to produce a hot and compressed residue gas stream, and heating a portion of the NGL stream with the hot and compressed residue gas stream. | 10-29-2015 |
| 20150307418 | METHODS AND APPARATUSES FOR PRODUCING XYLENE FROM LIGNIN - Methods and apparatuses are provided for producing a xylene product from a lignin supply. A method includes depolymerizing the lignin supply to produce a lignin aromatic stream, and isomerizing the lignin aromatic stream to produce an isomerized lignin stream. The desired xylene isomer is extracted from the isomerized lignin stream. | 10-29-2015 |
| 20150307412 | METHODS AND APPARATUSES FOR PRODUCING XYLENE FROM PROPYLBENZENE - Methods and apparatuses are provided for producing xylene. A method includes combining a propylbenzene containing feed with a xylene raffinate stream, where the xylene raffinate stream is provided from a xylene recovery unit. The xylene raffinate stream and the propylbenzene containing feed are isomerized in an isomerization unit to produce an xylene isomerization effluent stream, where the xylene isomerization effluent stream includes aromatic compounds having 8, 9, or 10 carbons atoms. The aromatic compounds having 8 carbon atoms are separated from the aromatic compounds having 9 or 10 carbons, and the aromatic compounds having 8 carbons are fed to the xylene recovery unit. The aromatic compounds having 9 or 10 carbons are transalkylated with toluene to produce xylene. | 10-29-2015 |
| 20150299593 | COMBINED NAPHTHA REFINING AND BUTANE UPGRADING PROCESS - A process for refining naphtha and upgrading butanes is described. The process involves separating a hydrotreated heavy naphtha feed into a C | 10-22-2015 |
| 20150299584 | FLEXIBLE GASOLINE PROCESS USING MULTIPLE FEEDSTOCKS - A flexible process for gasoline refineries is described. The process can vary depending on the available feedstock and the desired products. At one time, the process can involve disproportionating pentanes to a product mixture including isobutane and isohexane. At other times, by switching the feedstock and operating conditions, the process can convert a mixture of C | 10-22-2015 |
| 20150291895 | PROCESS AND APPARATUS FOR FLUID CATALYTIC CRACKING AND HYDROCRACKING HYDROCARBONS - A process and apparatus for recovering cycle oil from FCC CSO is described. By feeding the additional cycle oil to a hydrocracking unit additional diesel, naphtha and petrochemical feedstock may be obtained. The additional cycle oil is obtained by vacuum separation of the CSO. The described process and apparatus can provide additional recovery for a refiner. | 10-15-2015 |
| 20150291894 | PROCESS AND APPARATUS FOR FLUID CATALYTIC CRACKING AND HYDROCRACKING HYDROCARBONS - A process and apparatus for recovering cycle oil from FCC CSO is described. By feeding the additional cycle oil to a hydrocracking unit additional diesel, naphtha and petrochemical feedstock may be obtained. The additional cycle oil is obtained by vacuum separation of the CSO. The described process and apparatus can provide additional recovery for a refiner. | 10-15-2015 |
| 20150291893 | PROCESS AND APPARATUS FOR FLUID CATALYTIC CRACKING AND HYDROCRACKING HYDROCARBONS - A process and apparatus for recovering cycle oil from FCC CSO is described. By feeding the additional cycle oil to a hydrocracking unit additional diesel, naphtha and petrochemical feedstock may be obtained. The additional cycle oil is obtained by vacuum separation of the CSO. The described process and apparatus can provide additional recovery for a refiner. | 10-15-2015 |
| 20150290636 | PROCESSES FOR THE CONTINUOUS REGENERATION OF A CATALYST - A process for regenerating a catalyst used in a reaction zone. In a regeneration zone, the catalyst may be cooled before passing into a chloride rich zone. The regeneration zone may also receive a heated ambient oxygen in a catalyst heating zone. The regeneration zone may also receive recovered chloride from a chloride recovering zone which removes and recovers chloride from regeneration gas taken from the regeneration zone. Heated ambient oxygen may also be introduced into a chlorination zone. | 10-15-2015 |
| 20150290555 | PROCESS AND APPARATUS FOR FLUID CATALYTIC CRACKING AND HYDROCRACKING HYDROCARBONS - A process and apparatus for recovering cycle oil from FCC CSO is described. By feeding the additional cycle oil to a hydrocracking unit additional diesel, naphtha and petrochemical feedstock may be obtained. The additional cycle oil is obtained by vacuum separation of the CSO. The described process and apparatus can provide additional recovery for a refiner. | 10-15-2015 |
| 20150290554 | PROCESS AND APPARATUS FOR FLUID CATALYTIC CRACKING AND HYDROCRACKING HYDROCARBONS - A process and apparatus for recovering cycle oil from FCC CSO is described. By feeding the additional cycle oil to a hydrocracking unit additional diesel, naphtha and petrochemical feedstock may be obtained. The additional cycle oil is obtained by vacuum separation of the CSO. The described process and apparatus can provide additional recovery for a refiner. | 10-15-2015 |
| 20150276692 | PROCESS FOR CONTROLLING AN IONIC LIQUID PROCESS AND REGENERATION USING A VISCOSITY MEASUREMENT - A process in which the viscosity of an ionic liquid catalyst used in a continuous reaction is measured in order to determine the amount of conjunct polymer associated with the ionic liquid catalyst. The viscosity may be used to control: an amount of spent ionic liquid catalyst passed back to the reaction zone; an amount of spent ionic liquid catalyst passed to a regeneration zone; an amount of spent ionic liquid catalyst removed from the continuous reaction process; an amount of fresh ionic liquid catalyst passed to the reaction zone; an amount of regenerated ionic liquid catalyst passed to the reaction zone; or combinations thereof. | 10-01-2015 |
| 20150276332 | POST TREAT REACTOR INLET TEMPERATURE CONTROL PROCESS AND TEMPERATURE CONTROL DEVICE - In one aspect, a process for controlling a temperature of fluid entering a post treat reactor in a naphtha hydrotreater includes measuring a temperature of hydrotreater reactor effluent and determining a set point based on the measured temperature. The set point is transmitted to a first temperature indicator controller, and the first temperature indicator controller measures a temperature of fluid flowing into a post treat reactor and adjusts a combined feed flow through a bypass of an upstream combined feed exchanger. This reduces an amount of heat exchanged in the combined feed exchanger and thus prevents the fluid temperature of the fluid entering the post treat reactor from falling below the set point. | 10-01-2015 |
| 20150275101 | PROCESS AND APPARATUS FOR DISTRIBUTING FLUIDIZING GAS TO AN FCC RISER - A process and apparatus described is for distributing fluidizing gas to a riser. Fluidizing gas is delivered to a plenum below the riser. A first stream of fluidizing gas is distributed from the plenum into a chamber in a riser and a second stream of fluidizing gas is distributed from the plenum into the riser outside of the chamber. First nozzles in the plenum have a first outlet in the chamber and second nozzles in the plenum have a second outlet outside of the chamber. Streams of regenerated catalyst and carbonized catalyst may be passed to the riser and mixed around the chamber in a lower section of a riser. | 10-01-2015 |
| 20150274614 | METHOD FOR RECOVERING ENTRAINED IONIC LIQUID FROM AN IONIC LIQUID IMMISCIBLE PHASE - A method for recovering entrained ionic liquid from an immiscible phase containing droplets of ionic liquid is described. The method includes contacting the immiscible phase containing the droplets of ionic liquid with a scrubbing ionic liquid phase in a scrubbing zone. The immiscible phase containing the droplets of ionic liquid has a first level of droplets of ionic liquid. At least a portion of the droplets of ionic liquid are transferred to the scrubbing ionic liquid phase to form a recovered ionic liquid phase comprising the scrubbing ionic liquid and the transferred portion of the droplets of ionic liquid and a second immiscible phase having a second level of droplets of ionic liquid lower than the first level. The second immiscible phase is separated from the recovered ionic liquid phase. | 10-01-2015 |
| 20150274613 | INTEGRATED FLUID CATALYTIC CRACKING AND ALKYLATION PROCESS - An integrated hydrocarbon conversion process is described. The process includes contacting a heavy hydrocarbon feedstock with a hydrocarbon cracking catalyst in a fluidized reactor zone to produce light olefins to form a fluid catalytic cracker (FCC) effluent stream comprising a range of hydrocarbons. The FCC effluent stream is separated to form at least a stream rich in C | 10-01-2015 |
| 20150274611 | PROCESS AND APPARATUS FOR RECYCLING CRACKED HYDROCARBONS - A process and apparatus for recycling LCO and/or HCO to a hydroprocessing zone to saturate aromatics for cracking in an FCC unit is disclosed. The recycle cracked stream may be recycled to a downstream hydroprocessing zone to avoid a first hydroprocessing zone that is primarily for demetallizing (and desulfurizing) feed to the FCC unit. | 10-01-2015 |
| 20150273483 | APPARATUSES AND METHODS FOR GAS-SOLID SEPARATIONS USING CYCLONES - Cyclones for gas-solid separators are provided, which are especially applicable for use in a downflowing third stage separator (TSS) for the removal of dust particles, such as solid catalyst fines, from the flue gas streams exiting the catalyst regenerator in fluid catalytic cracking (FCC) processes. A cyclone comprises a barrel having an interior, and a central hub disposed within the interior of the barrel. A plurality of concentric annular sections are disposed radially between the barrel and the central hub. Swirl vanes extend radially into at least one of the annular sections to define a swirl chamber within said at least one of the plurality of annular sections. At least one solid particle outlet is disposed at a lower end of the barrel. A gas outlet is in fluid communication with the interior of the barrel. | 10-01-2015 |
| 20150273460 | REGENERATION OF AN ACIDIC CATALYST BY ALKYLATION OF AROMATIC COMPOUNDS - Methods for regenerating deactivated acidic catalyst containing conjunct polymer are described. The deactivated acidic catalyst containing conjunct polymer is contacted with at least one aromatic compound in a regeneration zone under regeneration conditions. The conjunct polymer reacts with the at least one aromatic compound resulting in a regenerated acidic catalyst and at least one aromatic compound alkylated with conjunct polymer. The acidic catalyst is selected from the group consisting of sulfuric acid, hydrofluoric acid, trifluoromethanesulfonic acid, phosphoric acid, boron trifluoride, toluenesulfonic acid, trifluoroacetic acid, and acidic ionic liquids. | 10-01-2015 |
| 20150273453 | BISMUTH-MODIFIED MOLECULAR SIEVES AND METHODS FOR PREPARING AND USING BISMUTH-MODIFIED MOLECULAR SIEVES - Bismuth-modified molecular sieve catalysts and methods for preparing and using bismuth-modified molecular sieve catalysts are provided. In one embodiment, a bismuth-modified molecular sieve catalyst includes a molecular sieve having an external surface. The molecular sieve is selected from the group consisting of MFI, MEL, MOR, MTW, BEA, CHA, FAU, EMT, MTT, MWW, TON, TUN, EUO, IMF and FER framework types. The bismuth-modified molecular sieve catalyst further includes a coating on the external surface. The coating comprises a bismuth-containing material. | 10-01-2015 |
| 20150273425 | PROCESS AND APPARATUS FOR RECYCLING CRACKED HYDROCARBONS - A process and apparatus for recycling LCO and/or HCO to a hydroprocessing zone to saturate aromatics for cracking in an FCC unit is disclosed. The recycle cracked stream may be recycled to a downstream hydroprocessing zone to avoid a first hydroprocessing zone that is primarily for demetallizing (and desulfurizing) feed to the FCC unit. | 10-01-2015 |
| 20150273424 | PROCESS AND APPARATUS FOR DISTRIBUTING FLUIDIZING GAS TO AN FCC RISER - A process and apparatus described is for distributing fluidizing gas to a riser. Fluidizing gas is delivered to a plenum below the riser. A first stream of fluidizing gas is distributed from the plenum into a chamber in a riser and a second stream of fluidizing gas is distributed from the plenum into the riser outside of the chamber. First nozzles in the plenum have a first outlet in the chamber and second nozzles in the plenum have a second outlet outside of the chamber. Streams of regenerated catalyst and carbonized catalyst may be passed to the riser and mixed around the chamber in a lower section of a riser. | 10-01-2015 |
| 20150273389 | NANOPOROUS MACROCYCLE-CONTAINING CROSS-LINKED POLYMERIC MEMBRANES FOR SEPARATIONS - The present invention involves a type of nanoporous macrocycle-containing cross-linked polymeric membrane, a method of making the membrane, and the use of such a novel membrane system for natural gas liquids (NGL) recovery, fuel gas conditioning, natural gas pre-treatment, sulfur removal from fluidized catalytic cracking (FCC) and other naphtha streams, as well as aromatic separations such as aromatic/paraffin separation and xylene separation. The nanoporous macrocycle-containing cross-linked polymeric membrane is prepared from a diisocyanate-terminated polyether or a diisocyanate-terminated polyester, that is crosslinked with a nanoporous macrocycle comprising hydroxyl functional groups such as α-, β-, and γ-cyclodextrins. | 10-01-2015 |
| 20150252725 | SYSTEM AND PROCESS FOR RECOVERING POWER AND STEAM FROM REGENERATOR FLUE GAS - A power generation process for use in a processing unit that includes the steps of: using a regenerator to produce a flue gas stream; removing catalyst particles from the flue gas stream; routing the flue gas stream to a combustor/expander unit after performing the step of removing catalyst particles; and using rotation of the turbine of the combustor/expander unit as a source of rotary power. Preferably, the combustor/expander unit includes a combustion chamber and a power recovery turbine housed within a single casing. In certain embodiments, the flue gas stream is routed between the regenerator and the combustor/expander without passing through a compressor. | 09-10-2015 |
| 20150251978 | PROCESS FOR SEPARATING BENZENE FROM A REACTOR EFFLUENT - A process for separating benzene from a reactor effluent in which the reactor effluent is passed to a first separation zone to separate the effluent into a bottom benzene lean stream and an overhead stream. The bottom benzene lean stream does not need to be processed further to remove benzene. The overhead stream may be cooled and is passed to a second separation zone in which it is separated into a bottom benzene rich stream and a second overhead stream. The bottom benzene rich stream contains at least 80% of the benzene from the reactor effluent. The operating temperature of the first separation zone is greater than the operating temperature of the second separation zone. | 09-10-2015 |
| 20150251975 | COMBINED REACTOR EFFLUENT AND REGENERANT RECIRCULATION FOR DETERGENT ALKYLATION PROCESS - A process for producing alkylaromatic compounds is described. The process involves utilizing at least a portion of the aromatic compound used to regenerate the alkylation catalyst in a spent alkylation reaction zone as a reactant in the active alkylation reaction zone. The process further includes utilizing a portion of the process stream leaving the alkylation zone as a recycle stream to the alkylation zone. | 09-10-2015 |
| 20150251974 | METHOD OF PRODUCING ALKYLAROMATIC COMPOUNDS USING AROMATIC COMPOUND FROM CATALYST REGENERATION - A process for producing alkylaromatic compounds is described. The process involves utilizing at least a portion of the aromatic compound used to regenerate the alkylation catalyst in a spent alkylation reaction zone as a reactant in the active alkylation reaction zone. | 09-10-2015 |
| 20150251972 | PROCESS FOR REDUCING THE AMOUNT OF NORMAL PENTANE FROM A FEEDSTOCK - A process for separation and treatment of a naphtha feedstock to increase overall octane in a gasoline blending pool by reducing or removing the normal pentane in the feedstock. The feedstock is passed into a divided wall column having an undivided top portion, an undivided bottom portion and a wall dividing a middle portion into two sections. The intermediate faction can include either all normal pentane, which can be utilized on other processes, or it can include a mixture of normal pentane and C | 09-10-2015 |
| 20150251134 | METHODS AND APPARATUSES FOR REMOVING IMPURITIES FROM A GASEOUS STREAM - Methods and apparatuses are provided for removing impurities from a gas. A method includes feeding a gaseous stream through a vapor side of a first membrane contactor, and then feeding the gaseous stream through the vapor side of a second membrane contactor. An absorption solution is fed through an absorption side of the second membrane contactor, and then fed through an absorption side of the first membrane contactor. The absorption solution is cooled between the second membrane contactor and the first membrane contactor. | 09-10-2015 |
| 20150247784 | METHODS, APPARATUSES AND KITS FOR COLLECTING CHEMICAL SAMPLES - Methods, apparatuses, and kits for collecting chemical samples are provided. In one embodiment, a method for collecting a sample of a chemical from a vessel includes connecting a sampling chamber and a removal chamber in fluid communication with the vessel and flowing a liquid phase of the chemical from the vessel through the sampling chamber and the removal chamber. The method isolates a first volume of the liquid phase in the sampling chamber and removes a second volume of the liquid phase from the removal chamber. Further, the method includes establishing fluid communication between the sampling chamber and the removal chamber and filling the removal chamber with a portion of the first volume to form a vapor phase of the chemical in the sampling chamber. Also, the method includes isolating the sample including the vapor phase and a remaining portion of the liquid phase in the sampling chamber. | 09-03-2015 |
| 20150246940 | CATALYST CAPABLE OF FORMING 2,5-DIMETHYLHEXENES - A process of making a catalyst and the catalyst composition made by that process comprising a multinuclear metal compound of the formula M | 09-03-2015 |
| 20150246858 | PROCESS FOR RECOVERING BENZENE AND FUEL GAS IN AN AROMATICS COMPLEX - A process for separating xylene from a feedstock in which the feedstock is separated into a xylene stream, a benzene rich stream and a light ends stream. Two separation zones may be utilized in which liquid from both is sent to a stabilization zone and the vapor from the stabilization zone is combined with a stream prior to the stream entering the second separation zone. | 09-03-2015 |
| 20150240169 | PROCESS AND APPARATUS FOR HYDROPROCESSING WITH TWO PRODUCT FRACTIONATORS - A process and apparatus are disclosed for recovering hydroprocessing effluent from a hydroprocessing unit utilizing a hot stripping column and a cold stripping column. A light fractionation column fractionates naphtha from kerosene predominantly from a cold stripped stream. A heavy fraction column fractionates diesel from unconverted oil predominantly present in a hot stripped stream. Only the hot hydroprocessing effluent is heated in a fired heater prior to entering the heavy fractionation column, resulting in substantial operating and capital savings. | 08-27-2015 |
| 20150240167 | GREEN FLUID CATALYTIC CRACKING PROCESS - A process and apparatus for co-processing a hydrocarbon feedstock and a renewable biomass feedstock are described. Solid particles of biomass are introduced into the riser reactor zone and mixed with catalyst. The hydrocarbon feed stock is also introduced into the riser reactor zone. The solid particles of biomass react in the presence of the catalyst and are converted into oxygenated hydrocarbons, while the hydrocarbon reacts in the presence of the catalyst to form hydrocarbon products having a lower boiling point than the feedstock. | 08-27-2015 |
| 20150239804 | PROCESS FOR XYLENES PRODUCTION - Provided is a process for producing aromatics including the steps of preparing a C | 08-27-2015 |
| 20150239802 | HIGH TEMPERATURE REFORMING PROCESS AND CATALYST FOR USE THEREIN - A process for generating aromatics from a hydrocarbon feedstream is disclosed. The process includes the steps of (a) passing the hydrocarbon feedstream to a reformer, wherein the reformer is operated at a temperature greater than 540° C.; and (b) reforming the hydrocarbon feedstream to aromatics in the presence of a catalyst, wherein the catalyst comprises (i) a refractory inorganic oxide support, (ii) a platinum group metal, (iii) a Group IVA metal, (iv) a third metal selected from alkali metals and alkaline earth metals, and (v) a halogen. | 08-27-2015 |
| 20150238882 | PROCESS AND APPARATUS FOR HYDROPROCESSING WITH TWO PRODUCT FRACTIONATORS - A process and apparatus are disclosed for recovering hydroprocessing effluent from a hydroprocessing unit utilizing a hot stripping column and a cold stripping column. A light fractionation column fractionates naphtha from kerosene predominantly from a cold stripped stream. A heavy fractionation column fractionates diesel from unconverted oil predominantly present in a hot stripped stream. Only the hot hydroprocessing effluent is heated in a fired heater prior to entering the heavy fractionation column, resulting in substantial operating and capital savings. | 08-27-2015 |
| 20150231611 | METHODS AND APPARATUSES FOR REGENERATING CATALYSTS FOR HYDROCARBON PRODUCTION - Methods and apparatuses are provided for producing hydrocarbons. A method includes contacting an aromatic rich feed stream including diolefins with a catalyst in the presence of hydrogen to react the diolefins with the hydrogen to produce mono-olefins. A deposit forms on the catalyst during reaction. The deposit is removed from the catalyst with a solvent, where the solvent includes about 50 mass percent or more aromatic compounds. | 08-20-2015 |
| 20150225653 | PROCESS FOR REMOVING CARBONYL SULFIDE FROM A HYDROCARBON STREAM - A method and apparatus for removing carbonyl sulfide (COS) from a hydrocarbon stream have been developed. The design allows removal of COS in the regeneration stream to less than 10 wppm, even at high concentrations of COS. The spent bed is regenerated using a portion of the treated product stream. The COS regeneration column provides increased contact and residence time. | 08-13-2015 |
| 20150224464 | RADIAL FLOW REACTOR HAVING A SIDE INLET NOZZLE AND METHODS FOR REACTING HYDROCARBONS USING THE SAME - A system for radial flow contact of a reactant stream with catalyst particles includes a reactor vessel and a catalyst retainer disposed in the reactor vessel, the catalyst retainer including an inner particle retention device and an outer particle retention device, the inner particle retention device and the outer particle retention device being spaced apart to define a catalyst retaining space of the catalyst retainer, the inner particle retention device defining an axial flow path of the reactor vessel, the outer particle retention device and an inner surface of a wall of the reactor vessel defining an annular flow path of the reactor vessel. The system further includes an inlet nozzle positioned along a side of the reactor vessel and having an exit opening in fluid communication with the annular flow path of the vessel and an outlet nozzle in fluid communication with the axial flow path. | 08-13-2015 |
| 20150210939 | HYDROTREATING COKER KEROSENE WITH A SEPARATE TRIM REACTOR - A process for hydrotreating coker kerosene is described. Instead of a post treat reactor, a smaller trim reactor zone which operates at a lower pressure than the post treat reactor is used downstream of the product stripper. The trim reactor uses a noble metal catalyst to reduce the BI of the stripped product to less than about 150, and desirably in the range of about 50 to about 100. | 07-30-2015 |
| 20150210612 | METHODS FOR SELECTIVELY HYDROGENATING BENZENE WITH SUPPORTED ORGANOMETALLIC CATALYSTS AND SYSTEMS AND METHODS FOR REDUCING BENZENE IN GASOLINE USING SUCH CATALYSTS - Methods and systems for selectively hydrogenating benzene with a supported organometallic hydrogenating catalyst are provided. An exemplary method includes contacting an arene-containing reaction stream comprising benzene and one or more additional arenes with hydrogen in the presence of a supported organometallic hydrogenating catalyst under reaction conditions effective to hydrogenate at least benzene in the arene-containing reaction stream to produce a reaction effluent having a ratio of benzene to additional arenes that is lower than a ratio of benzene to additional arenes in the reaction stream. In this method, the supported organometallic hydrogenating catalyst includes a catalytically active organometallic species and a Brønsted acidic sulfated metal oxide support. | 07-30-2015 |
| 20150210609 | IONIC LIQUID ALKYLATION OF 1-BUTENE TO PRODUCE 2,5-DIMETHYLHEXANE - A process for producing dimethylhexanes (DMH) is provided. The DMH can be used to produce p-xylene. The process involves the alkylation of isobutane and 1-butene using an ionic liquid to produce naphtha that is rich in DMH. The DMH is then converted in high selectivity to xylene, including p-xylene, by dehydrocyclization. | 07-30-2015 |
| 20150209728 | EQUIPMENT AND METHOD FOR CONTROLLING EMISSIONS OF MONO-NITROGEN OXIDES (NOX) AND CARBON MONOXIDE (CO) FROM FLUID CATALYTIC CRACKING (FCC) UNITS - A process for controlling emissions from a regenerator vessel that is part of a fluid catalytic cracking unit including a reactor, where the process includes setting a predetermined temperature value in a control unit, wherein the predetermined temperature is the desired temperature within the regenerator vessel. The process also preferably includes controlling the actual temperature within the regenerator vessel by using the predetermined temperature value set in the control unit to appropriately increase or decrease the amount of catalyst being recycled within the reactor. | 07-30-2015 |
| 20150184088 | METHODS FOR TREATING VACUUM GAS OIL (VGO) AND APPARATUSES FOR THE SAME - Embodiments of apparatuses and methods for treating a vacuum gas oil (VGO) hydrotreating feed are provided. In one example, a method comprises contacting the VGO hydrotreating feed with a first hydrotreating catalyst in the presence of hydrogen at first hydroprocessing conditions effective to form a first hydrotreated effluent. The first hydrotreated effluent is separated to form a hydrotreated VGO-containing stream and a hydrotreated diesel-containing stream. The hydrotreated VGO-containing stream is stripped and fractionated to form a VGO product stream. The hydrotreated diesel-containing stream is combined with a hydrotreated diesel-, naphtha-containing stream to form a combined stream. The combined stream is stripped to form a diesel product stream. | 07-02-2015 |
| 20150175896 | METHODS FOR DEOXYGENATING BIOMASS-DERIVED PYROLYSIS OILS - Methods for deoxygenating treated biomass-derived pyrolysis oil are provided. The treated biomass-derived pyrolysis oil is exposed to a catalyst having a neutral catalyst support such as a non-alumina metal oxide support, a theta alumina support, or both. The non-alumina metal oxide support may be a titanium oxide (TiO | 06-25-2015 |
| 20150175506 | METHODS AND APPARATUSES FOR ISOMERIZING HYDROCARBONS - Methods and apparatuses are provided for isomerizing a hydrocarbon stream. The method includes isomerizing a hydrocarbon stream in a reactor to produce an intermediate isomerized stream. The intermediate isomerized stream is fractionated to produce an off gas stream and a heavy isomerized stream, where the off gas stream includes an off gas recycle stream. The off gas recycle stream is dried in an off gas dryer to produce a hydrogen recycle stream, where the off gas drier includes an off gas dryer membrane separating the off gas recycle stream from an off gas purge stream. The off dryer membrane includes a perfluorosulfonated ionomer. The hydrogen recycle stream is then fed into the reactor. | 06-25-2015 |
| 20150175505 | METHODS AND SYSTEMS FOR ISOMERIZING PARAFFINS - Disclosed is a method and system for isomerizing paraffins to improve the isomerate yield, to minimize catalyst content, and to reduce the pressure drop observed in the isomerization reactor. In one embodiment, a method for isomerizing paraffins includes providing a hydrocarbon stream including linear paraffin compounds and passing the hydrocarbon stream to a first lead/lag isomerization reactor pair to isomerize a portion the linear paraffin compounds to branched paraffin compounds. A second portion of the linear paraffin compounds remain as linear paraffins compounds. The method further includes deisohexanizing the branched and linear paraffin compounds to form an overhead product stream, a bottom product stream, and a side-cut stream comprising the linear paraffin compounds and passing the side-cut stream to a second lead/lag isomerization reactor pair to isomerize the linear paraffin compounds to branched paraffin compounds. | 06-25-2015 |
| 20150159093 | METHODS AND SYSTEMS FOR DEOXYGENATING BIOMASS-DERIVED PYROLYSIS OIL WITH A RECYCLE COLUMN - Methods and systems for deoxygenating a biomass-derived pyrolysis oil are provided. An exemplary method includes combining a biomass-derived pyrolysis oil stream with a heated low-molecular weight fraction low-oxygen-pyoil diluent recycle stream to form a heated diluted pyoil feed stream, which is contacted with a first deoxygenating catalyst in the presence of hydrogen at first hydroprocessing conditions effective to form a low-oxygen biomass-derived pyrolysis oil effluent. A low-molecular weight fraction low-oxygen-pyoil diluent recycle stream is formed by contacting the low-oxygen biomass-derived pyrolysis oil effluent with a fractionation column to separate a low molecular weight fraction low-oxygen-pyoil diluent recycle stream at a cutpoint of about 225° C. or less. The low-molecular weight fraction low-oxygen-pyoil diluent recycle stream is then heated prior to combination with the biomass-derived pyrolysis oil stream. | 06-11-2015 |
| 20150158797 | PROCESS AND ADSORBENT FOR REMOVAL OF DIOLEFINS AND OTHER CONTAMINANTS FROM LIQUEFIED PETROLEUM GAS - A process and an apparatus for reducing the diolefin and oxygenate content of liquefied petroleum gas are disclosed. A first conduit is in fluid communication with a liquefied hydrocarbon source and a vessel. The vessel includes a solid adsorbent disposed on a support. The adsorbent is suitable for adsorbing diolefins and oxygenates. A second conduit is in fluid communication with the vessel for receiving the liquefied hydrocarbons of reduced diolefin and oxygenate content from the vessel. A steam inlet conduit is in fluid communication with a steam source and the vessel for treating the solid adsorbent containing adsorbed diolefins and oxygenates with steam to desorb the diolefins and oxygenates from the solid adsorbent. An amine absorber unit for reducing the hydrogen disulfide content of the liquefied hydrocarbon can be in fluid communication with the vessel. | 06-11-2015 |
| 20150151263 | UNIT FOR PROCESSING A LIQUID/GAS PHASE MIXTURE, MERCAPTAN OXIDATION SYSTEM INCLUDING THE SAME, AND METHOD OF PROCESSING A LIQUID/GAS PHASE MIXTURE - A unit for processing a liquid/gas phase mixture, a mercaptan oxidation apparatus, and a method of processing a liquid/gas phase mixture are provided. In an embodiment, a unit for processing a liquid/gas phase mixture includes a vessel that is adapted to receive the liquid/gas phase mixture and a distributor that is disposed in the vessel. The distributor is adapted for flow of the liquid/gas phase mixture into the vessel, and the distributor includes a first outlet pipe that is horizontally disposed within the vessel. The first outlet pipe includes top orifices and bottom orifices that are spaced along the first outlet pipe, and the first outlet pipe is in fluid communication with the vessel through the top orifices and the bottom orifices. The top orifices have a smaller cross-sectional area than the bottom orifices. | 06-04-2015 |
| 20150148577 | SEPARATION OF ISO-OLEFINS FROM PARAFFINS IN THE C19 TO C22 RANGE - A process is presented for the separation of iso-olefins from a hydrocarbon mixture comprising paraffins and olefins. The process includes an adsorption separation system, wherein the adsorbent is selected according to the properties of the material that is desired to be adsorbed. The process also includes a selection of a desorbent, which can comprise a mixture, to provide for an enhanced recovery of the adsorbed material and a separation of the iso-olefins from paraffins. | 05-28-2015 |
| 20150148576 | SEPARATION OF ISO-OLEFINS FROM PARAFFINS IN THE C15 TO C18 RANGE - A process is presented for the separation of iso-olefins from a hydrocarbon mixture comprising paraffins and olefins. The process includes an adsorption separation system, wherein the adsorbent is selected according to the properties of the material that is desired to be adsorbed. The process also includes a selection of a desorbent, which can comprise a mixture, to provide for an enhanced recovery of the adsorbed material and a separation of the iso-olefins from paraffins. | 05-28-2015 |
| 20150148575 | INCREASED CONVERSION OF RECYCLED OXYGENATES IN MTO - A process is presented for increasing the conversion efficiency of oxygenates to olefins. The conversion of oxygenates recycles unconverted oxygenates and oxygenate by-products to a second reactor unit. The present of oxygenate by-products decreases the efficiency of the methanol to olefins reaction, and passing recycled oxygenates to a second reactor unit maintains the methanol to olefins conversion efficiency while converting the by-products in a secondary zone. | 05-28-2015 |
| 20150141728 | METHODS AND APPARATUSES FOR PRODUCING LOW SULFUR PROPANE AND BUTANE - Methods and apparatuses are provided for producing low sulfur propane and butane. The method includes reacting a mercaptan in a washed feed stream with a caustic stream to produce a mercaptan salt in a rich caustic stream and a hydrocarbon treated stream. The mercaptan salt in the rich caustic stream is reacted with oxygen and water to produce a mixed caustic/disulfide stream, and the caustic and disulfides in the mixed caustic/disulfide stream are separated to produce a disulfide stream and the caustic stream. The hydrocarbon treated stream is fractionated to produce a propane stream, a butane stream, and a C5+ stream. | 05-21-2015 |
| 20150133709 | LOW NOx BURNER FOR ETHYLENE CRACKING FURNACES AND OTHER HEATING APPLICATIONS - A burner assembly for and method of producing ethylene having a mechanism to inject either primary fuel, staged fuel, or both by premix methods before combustion in a furnace. The burner assembly has at least one premix injection assembly for either exclusively primary fuel or exclusively staged fuel injection paired with a nozzle mix injection or injection means for primary and staged fuel both by premix methods. The primary fuel premix assembly associates with a burner tile that consists of multiple inlets and outlets connected by venturi channels to direct and combine combustion air and staged fuel coming from staged fuel orifice spuds. Primary fuel and combustion air are mixed in a premix assembly and directed inside the furnace, and above the burner tile to complete the reaction with the staged fuel and combustion air mixture in a combustion zone inside of the furnace. | 05-14-2015 |
| 20150129462 | APPARATUSES AND METHODS FOR DESULFURIZATION OF NAPHTHA - Embodiments of apparatuses and methods for desulfurization of naphtha are provided. In one example, a method comprises fractionating a partially hydrodesulfurized, olefin-enriched naphtha stream in a first vapor-liquid contacting chamber to form a partially hydrodesulfurized, H | 05-14-2015 |
| 20150129461 | APPARATUSES AND METHODS FOR HYDROTREATING COKER KEROSENE - Embodiments of apparatuses and methods for hydrotreating coker kerosene or other thermally or catalytically cracked hydrocarbon stream are provided. In one example, a method comprises splitting a feed comprising coker kerosene into first and second feed streams. The first feed stream is heated to form a heated first feed stream. The second feed stream is partially heated to form a partially heated second feed stream. The heated first feed stream is contacted with a first hydrotreating catalyst to form a first hydrotreated intermediate stream. The first hydrotreated intermediate stream is combined with the partially heated second feed stream to form a partially quenched first hydrotreated intermediate combined stream. The partially quenched first hydrotreated intermediate combined stream is contacted with a second hydrotreating catalyst to further hydrotreat the partially quenched first hydrotreated intermediate combined stream. | 05-14-2015 |
| 20150126770 | REMOVAL OF LIGHT ALKYLATED AROMATICS FROM THE HEAVY ALKYLATED AROMATICS STREAM - A process for increasing the production of monoalkylbenzenes is presented. The process includes utilizing a transalkylation process to convert dialkylbenzenes to monoalkylbenzenes. The feed to the transalkylation process has alkylated toluenes and alkylated ethylbenzenes and other alkylated aromatics having small alkyl groups with less than 8 carbons removed to improve the efficiency of the transalkylation process. The recycled dialkylbenzenes and a portion of the recycled benzene are converted to monoalkylbenzenes. | 05-07-2015 |
| 20150119615 | PYROLYSIS GASOLINE TREATMENT PROCESS - A process for treating pyrolysis gasoline that includes providing a first stage di-olefin reactor that includes a first bed and a second bed and introducing a pyrolysis gasoline stream to the first bed of the first stage di-olefin reactor. The process also preferably includes providing interstage cooling to the pyrolysis gasoline stream between the first and second beds of the first stage di-olefin reactor and routing the cooled pyrolysis gasoline stream through the second bed of the first stage di-olefin reactor. Finally, embodiments of the process also preferably involve routing at least a portion of an effluent stream from the second bed of the first stage di-olefin reactor to a location upstream of the first bed of the first stage di-olefin reactor, such that the effluent stream is configured to be combined with the pyrolysis gasoline stream. | 04-30-2015 |
| 20150119613 | PYROLYSIS GASOLINE TREATMENT PROCESS - A process for treating pyrolysis gasoline that includes introducing a pyrolysis gasoline stream into a first stage reactor and performing a fractionation process on the pyrolysis gasoline stream after being routed through the first stage reactor. After performing the fractionation process, splitting the resultant stream is split into a first stream and a second stream. Next, the first stream is routed to a first portion of a second stage reactor and the second stream is routed to a second portion of the second stage reactor. Preferably, the first stage reactor is a di-olefin reactor, and the second stage reactor is a hydrotreater reactor. | 04-30-2015 |
| 20150119232 | SYSTEMS AND METHODS FOR SEPARATING CHLORINE-CONTAINING SPECIES FROM AQUEOUS SOLUTIONS OF CHLORINE-CONTAINING SPECIES - Disclosed is a method for separating a chlorine-containing species from an aqueous solution of the chlorine-containing species in a catalytic hydrocarbon conversion process that includes the step of oxidizing a spent chloride-containing hydrocarbon conversion catalyst, the spent hydrocarbon conversion catalyst including a hydrocarbon residue formed thereon. The oxidizing forms a flue gas including chlorine-containing species, water, and oxides of carbon. The method further includes contacting the flue gas with a water scrubbing stream to dissolve at least a portion of the chlorine-containing species in the water scrubbing stream to form an aqueous acid solution and contacting the aqueous acid solution with a hygroscopic liquid to generate dehydrated hydrogen chloride gas. Still further, the method includes contacting the dehydrated hydrogen chloride gas with additional spent chloride-containing hydrocarbon conversion catalyst to sorb chlorine onto the additional spent chloride-containing hydrocarbon conversion catalyst. | 04-30-2015 |
| 20150114883 | METHODS FOR TREATING HYDROCARBON STREAMS CONTAINING MERCAPTAN COMPOUNDS - Disclosed is a method for treating hydrocarbon streams containing mercaptan compounds including contacting a first, relatively light hydrocarbon stream including mercaptan compounds with a first alkaline caustic solution to remove the mercaptan compounds from the first hydrocarbon stream and generate a second alkaline caustic solution including mercaptan compounds and oxidizing the mercaptan compounds in the second alkaline caustic solution to generate a third alkaline solution including a first concentration of disulfide compounds. The method further includes separating a portion of the disulfide compounds in the third alkaline solution to form a fourth alkaline solution including a second concentration of disulfide compounds. Still further, the method includes contacting the fourth alkaline solution with a second, relatively heavy hydrocarbon stream including mercaptan compounds to remove the mercaptan compounds from the second hydrocarbon stream, remove the disulfide compounds from the fourth alkaline solution, and generate the first alkaline caustic solution. | 04-30-2015 |
| 20150114224 | CROSS-LINKED RUBBERY POLYURETHANE-ETHER MEMBRANES FOR SEPARATIONS - Cross-linked rubbery polyurethane-ether polymeric membranes are made from cross-linked rubbery polyurethane-ether polymers that are synthesized from a diisocyanate-terminated polyether and a tetrol with four hydroxyl functional groups. The hydroxyl groups on the tetrol react with the isocyanate groups on the diisocyanate-terminated polyether to form urethane bonds. The cross-linked rubbery polyurethane-ether polymeric membrane selectively permeate condensable vapors such as C | 04-30-2015 |
| 20150111292 | PROCESSES AND SYSTEMS FOR DISCHARGING AMINE BYPRODUCTS FORMED IN AN AMINE-BASED SOLVENT - Embodiments of a process for discharging amine byproducts formed in an amine-based solvent are provided. The process comprises the steps of contacting the amine-based solvent with flue gas comprising carbon dioxide, oxygen, nitrogen, NO | 04-23-2015 |
| 20150105600 | ADSORBENTS FOR THE SEPARATION OF PARA-XYLENE FROM C8 ALKYL AROMATIC HYDROCARBON MIXTURES, METHODS FOR SEPARATING PARA-XYLENE USING THE ADSORBENTS AND METHODS FOR MAKING THE ADSORBENTS - Embodiments of adsorbents for separating para-xylene from a mixture of C | 04-16-2015 |
| 20150105599 | METHOD FOR PROVIDING OXYGEN FREE REGENERATION GAS FOR NATURAL GAS DRYERS - Methods of removing free oxygen from a hydrocarbon stream are described. A hydrocarbon stream containing free oxygen is contacted with an adsorbent comprising a metal in a reduced state. The free oxygen in the hydrocarbon stream reacts with the metal in the reduced state to form oxidized metal and a reduced oxygen hydrocarbon stream. Syngas is made from a portion of the reduced oxygen hydrocarbon stream. A regeneration gas stream comprising a mixture of the syngas and another portion of the reduced oxygen hydrocarbon stream is contacted with the oxidized metal to reduce the oxidized metal to form the metal in the reduced state. | 04-16-2015 |
| 20150102518 | APPARATUS AND METHOD FOR HIGH THROUGHPUT EXTRUDATE PREPARATION - The invention relates to a high throughput apparatus and method for preparing extrudate. The apparatus and method allow the production of small quantities (e.g., less than about 50 g) of extrudates quickly and easily. A multi-chamber setup for peptized binder addition, mixing and extrusion, is combined with high speed impeller to provide a process to prepare small quantity extrudates in high throughput fashion. | 04-16-2015 |
| 20150099898 | PROCESS FOR REMOVING AMIDE IMPURITIES IN AROMATIC CARBOXYLIC ACIDS - A process for oxidizing alkyl aromatic compounds is described. The alkyl aromatic compound is oxidized producing an aromatic carboxylic acid, and an aromatic amide compound. The aromatic amide compound is then hydrolyzed with a hydrolyzing agent to the aromatic carboxylic acid. | 04-09-2015 |
| 20150099897 | PROCESS FOR CONTROLLING REACTION AND CRYSTALLIZATION SOLVENT COMPOSITION IN PROCESS FOR PRODUCTION OF AROMATIC CARBOXYLIC ACID - Processes have been developed to obtain recycle ionic liquid streams which are active for oxidation of alkyl aromatic compounds, and which reduce the amount of 4-CBA in the solid oxidation products. The process can reduce the makeup amount of ionic liquid, carboxylic acid, catalyst, bromine source, and ammonia source. | 04-09-2015 |
| 20150099234 | THERMAL RADIATION SHIELD AND COMBUSTION AIR CONTROLLED ENCLOSURE ASSEMBLY FOR A GROUND FLARE - A thermal radiation shield and combustion air controlled enclosure assembly. The assembly encloses a ground flare or flares and includes a plurality of structural supports at an obtuse angle to grade. Panels extend between the structural supports surrounding the ground flare wherein the panels are at an obtuse angle to grade. | 04-09-2015 |
| 20150098862 | Radial Flow Process and Apparatus - A flow connector creates a fluid connection between a port in a wall of a reactor vessel and an axial flow path of the reactor vessel. The flow connector has a wall defining a flow path of the flow connector. The flow path terminates in a first end opening and a second end opening. The first end opening is configured to connect to the axial flow path of the reactor vessel, and the second end opening is configured to connect to the port in a wall of the reactor. The flow connector includes a passageway extending through the wall of the flow connector to provide access to the flow path of the flow connector. A cover is dimensioned for sealing the passageway. The passageway may be dimensioned such that a person may traverse the passageway to access the flow path of the flow connector. | 04-09-2015 |
| 20150096923 | METHODS AND APPARATUSES FOR DESULFURIZING HYDROCARBON STREAMS - Methods and apparatuses for desulfurizing hydrocarbon streams are provided herein. In one embodiment, a method for desulfurizing a hydrocarbon stream includes separating the hydrocarbon stream into a heavier fraction and a lighter fraction. The heavier fraction includes a relatively higher amount of lower octane mono-unsaturates and the lighter fraction includes a relatively higher amount of higher octane mono-unsaturates. The method further includes hydrodesulfurizing the heavier fraction in a first hydrodesulfurization zone and hydrodesulfurizing the lighter fraction in a second hydrodesulfurization zone. Further, the method forms a hydrodesulfurized stream from the heavier fraction and the lighter fraction. | 04-09-2015 |
| 20150094512 | APPARATUSES AND METHODS FOR FORMING C8 AROMATIC STREAMS WITH SELECTED AMOUNTS OF C9 AROMATICS - Apparatuses and methods are provided for forming C8 aromatic streams with selected amounts of C9 aromatics. In one embodiment, a method for forming a C8 aromatic stream with a selected amount of C9 aromatics includes fractionating a hydrocarbon stream including C8 and C9 aromatics into a sidedraw fraction and a bottom fraction. The sidedraw fraction includes a portion of the C8 aromatics and a portion of the C9 aromatics. The bottom fraction includes remaining C8 aromatics and C8 | 04-02-2015 |
| 20150094509 | SYSTEMS AND METHODS FOR PRODUCING DESIRED XYLENE ISOMERS - Methods and systems are provided for producing a desired xylene isomer. The method includes adsorbing the desired xylene isomer from a mixed xylene stream in an adsorbent chamber. The desired xylene isomer is desorbed with a desorbent to produce an extract stream with the desired xylene isomer and the desorbent, where the desorbent has a lower boiling point than the desired xylene isomer. The extract stream is fractionated in an extract fractionator to produce a low pressure extract overhead stream with gaseous desorbent. The low pressure extract overhead stream is pressurized to produce a high pressure extract overhead stream with a temperature greater than an extract reboiler temperature. The high pressure extract overhead stream is condensed in an extract process reboiler, and produces a liquid extract overhead stream | 04-02-2015 |
| 20150094508 | SYSTEMS AND METHODS FOR SEPARATING XYLENE ISOMERS USING SELECTIVE ADSORPTION - Methods and systems are provided for separating a selected xylene isomer. The method includes separating a feed stream including a plurality of aromatic hydrocarbons into a first stream including toluene and isomers of xylene, and a second stream including isomers of xylene. The method further includes separating the first stream into a third stream including toluene and a fourth stream including isomers of xylene. The method further includes combining the second stream and the third stream in an adsorptive separation unit including an adsorbent configured to adsorb the selected xylene isomer from the second stream. The third stream desorbs the selected xylene isomer to produce a fifth stream including the selected xylene isomer and toluene and a sixth stream including non-selected xylene isomers and toluene. Still further, the method includes separating the sixth stream into a seventh stream including the non-selected xylene isomers and the third stream including toluene. | 04-02-2015 |
| 20150094507 | APPARATUSES AND METHODS FOR ISOLATING C8 AROMATICS - Apparatuses and methods are provided for isolating C8 aromatics from hydrocarbon streams. In one embodiment, a method for separating C8 aromatics from a hydrocarbon stream includes introducing the hydrocarbon stream to a fractionation column at a feed point. Further, the method includes fractionating the hydrocarbon stream in the fractionation column. Also, the method includes withdrawing a sidedraw fraction from the fractionation column at a draw point located above the feed point, wherein the sidedraw fraction includes C8 aromatics. | 04-02-2015 |
| 20150094506 | SYSTEMS AND METHODS FOR PRODUCING FUEL FROM A RENEWABLE FEEDSTOCK - Methods and systems are provided for producing a fuel from a renewable feedstock. The method includes deoxygenating the renewable feedstock in a deoxygenation zone to produce hydrocarbons with normal paraffins. The hydrocarbons with normal paraffins are isomerized to produce hydrocarbons with branched paraffins. The hydrocarbons with branched paraffins are fractionated to produce a naphtha at a naphtha outlet, where the naphtha is further isomerized. | 04-02-2015 |
| 20150094500 | POLYBENZOXAZOLE MEMBRANES FROM SELF-CROSS-LINKABLE AROMATIC POLYIMIDE MEMBRANES - A method of making a polybenzoxazole (PBO) membrane from a self-cross-linked aromatic polyimide polymer membrane is provided. These membranes are useful in the separation of gas mixtures and liquid mixtures. The PBO membrane is made by fabricating a self-cross-linkable aromatic polyimide polymer membrane comprising both hydroxyl functional groups and carboxylic acid functional groups; cross-linking the polymer to form a self-cross-linked aromatic polyimide polymer membrane by heating the membrane at 250° to 300° C. under an inert atmosphere; and thermal heating the self-cross-linked aromatic polyimide polymer membrane at a temperature from about 350° to 500° C. under an inert atmosphere to convert the self-cross-linked aromatic polyimide polymer membrane into a PBO membrane. A membrane coating step may be added by coating the selective layer surface of the PBO membrane with a thin layer of high permeability material. | 04-02-2015 |
| 20150094486 | ACTIVE IONIC LIQUID MIXTURES FOR OXIDIZING ALKYLAROMATIC COMPOUNDS - Ionic liquid compositions derived from imidazolium based ionic liquids that have been thermally treated or thermally and oxidatively treated are disclosed. These compositions can be utilized as the medium for oxidation of alkylaromatic compounds and their oxidized derivatives or as a medium for purification of aromatic carboxylic acids. | 04-02-2015 |
| 20150094482 | METHODS FOR REMOVING CONTAMINANTS FROM ALGAL OIL - Methods for removing contaminants from algal oil are provided. In an embodiment, a method comprises the steps of combining a sulfuric acid-aqueous solution that has a pH of about 1 or less with a contaminant-containing algal oil at treatment conditions effective to form an effluent. The effluent comprises a treated algal oil phase and contaminants in an acidic aqueous phase. The contaminants comprise metals, phosphorus, or combinations thereof. The acidic aqueous phase is removed from the effluent to form a contaminant-depleted algal oil. | 04-02-2015 |
| 20150094429 | POLYBENZOXAZOLE MEMBRANES FROM SELF-CROSS-LINKABLE AROMATIC POLYIMIDE MEMBRANES - A method of making a polybenzoxazole (PBO) membrane from a self-cross-linked aromatic polyimide polymer membrane is provided. These membranes are useful in the separation of gas mixtures and liquid mixtures. The PBO membrane is made by fabricating a self-cross-linkable aromatic polyimide polymer membrane comprising both hydroxyl functional groups and carboxylic acid functional groups; cross-linking the polymer to form a self-cross-linked aromatic polyimide polymer membrane by heating the membrane at 250° to 300° C. under an inert atmosphere; and thermal heating the self-cross-linked aromatic polyimide polymer membrane at a temperature from about 350° to 500° C. under an inert atmosphere to convert the self-cross-linked aromatic polyimide polymer membrane into a PBO membrane. A membrane coating step may be added by coating the selective layer surface of the PBO membrane with a thin layer of high permeability material. | 04-02-2015 |
| 20150093313 | IONIC LIQUID AND SOLVENT MIXTURES FOR HYDROGEN SULFIDE REMOVAL - The invention comprises a process for removal of hydrogen sulfide from gaseous mixtures. The process involves the use of a mixture of a physical absorption solvent and an ionic liquid. The mixtures provided improved absorption of hydrogen sulfide, when compared to physical absorption solvents without the ionic liquid at low partial pressures of hydrogen sulfide. A regeneration cycle involving the addition of a solvent, such as water, is used to regenerate the mixture. | 04-02-2015 |
| 20150090638 | EXTRACT RECYCLE IN A HYDROCARBON DECONTAMINATION PROCESS - Recycle of an extract stream containing a contaminant is used to improve recovery of hydrocarbons in a contaminant removal process. At least a portion of an extract stream is recycled to a contaminant extraction zone and contacted with rich ionic liquid. Contaminants in the recycle extract stream are transferred to the rich ionic liquid. | 04-02-2015 |
| 20150090636 | APPARATUSES AND METHODS FOR CRACKING HYDROCARBONS - Methods and apparatuses are provided for cracking a hydrocarbon. The method includes contacting a hydrocarbon feed stream with a cracking catalyst at cracking conditions to produce a reactor effluent and a spent catalyst. The spent catalyst is transferred to a regenerator, where it is regenerated by contact with an oxygen supply gas at regeneration conditions to produce a regenerated catalyst. The regenerated catalyst is fluidized for catalyst movement with a replacement gas having less than 1 mass percent oxygen gas | 04-02-2015 |
| 20150090118 | SELF CROSS-LINKABLE AND SELF CROSS-LINKED AROMATIC POLYIMIDE MEMBRANES FOR SEPARATIONS - This invention relates to self-cross-linkable and self-cross-linked aromatic polyimide polymers, their membranes and methods for making and using these polymers and membranes. The self-cross-linkable aromatic polyimide polymer described in the present invention comprises both hydroxyl functional groups and carboxylic acid functional groups. The self-cross-linked aromatic polyimide was formed via heating the self-cross-linkable aromatic polyimide polymer at ≦300° C. The self-cross-linked aromatic polyimide membranes exhibit high selectivity in separation of mixtures of gases and liquids. | 04-02-2015 |
| 20150087876 | METHODS AND SYSTEMS FOR SEPARATING PARA-XYLENE USING A RADIAL FLOW SIMULATED MOVING BED CHAMBER - Methods and systems for separating para-xylene are disclosed. In one exemplary embodiment, a method for separating para-xylene includes the steps of providing a feed stream including para-xylene and other C | 03-26-2015 |
| 20150086472 | PROCESS FOR CATALYTIC REFORMING - One exemplary embodiment can be a process for catalytic reforming The process can include catalytically reforming a hydrocarbon feed in a reaction zone, obtaining an effluent stream having hydrogen and hydrocarbons from the reaction zone, obtaining from at least a portion of the effluent stream a waste hydrocarbon stream from an adsorption zone, passing at least a portion of the waste hydrocarbon stream as a feed stream across a feed side of a membrane having the feed side and a permeate side, and being selective for hydrogen over one or more C1-C6 hydrocarbons, and withdrawing from the permeate side a permeate stream enriched in hydrogen compared with a residue stream withdrawn from the feed side. | 03-26-2015 |
| 20150078970 | CATALYST RETAINER FOR RADIAL FLOW REACTOR - A catalyst retainer includes an inner particle retention device having apertures and a first non-apertured section; and an outer particle retention device having apertures and a second non-apertured section. The inner and the outer particle retention devices are spaced apart to define a particle retaining space of the retainer. The first non-apertured section and the second non-apertured section define a blanked-off section of the particle retaining space, and the blanked-off section is spaced from an end of the particle retaining space. The catalyst retainer also includes a louver with at least a portion located between the blanked-off section and the end of the particle retaining space. The louver extends into the particle retaining space at an angle with respect to an inner surface of the inner particle retention device. The louver introduces the fluid to the top catalyst free surface in a more uniform manner and hence prevents particle movement and attrition. | 03-19-2015 |
| 20150076033 | PROCESS FOR CONVERTING FISCHER-TROPSCH LIQUIDS AND WAXES INTO LUBRICANT BASE STOCK AND/OR TRANSPORTATION FUELS - A process for converting Fischer-Tropsch liquids and waxes into lubricant base stock and/or transportation fuels is disclosed. The process includes the steps of feeding a Fischer-Tropsch wax to a first isomerization unit to produce an isomerized Fischer-Tropsch wax product; combining a Fischer-Tropsch liquid with the isomerized Fischer-Tropsch wax product to create a mixture of the Fischer-Tropsch liquid and the Fischer-Tropsch wax product; and feeding the mixture to a fractionation column to separate the mixture into a lubricant base stock fraction and at least one transportation fuel fraction. | 03-19-2015 |
| 20150075450 | HEAT RECOVERY FROM A HIGH PRESSURE STREAM - A process for recovering heat from a high pressure stream during hydroprocessing, where one embodiment of the process includes serially introducing a high pressure stream from a hot separator into a first steam generator and a second steam generator; using the first steam generator to generate a medium pressure stream of steam, and then using the medium pressure stream as stripping steam. The process also includes using the second steam generator to generate a low pressure stream of steam, and then using the low pressure stream as stripping steam. | 03-19-2015 |
| 20150073186 | SPLIT FEED REACTOR BED IN HYDROTREATER DEVICE - A hydrotreater reactor device includes a reactor chamber including a first bed and a second bed. A first input is disposed to provide a hydrocarbon stream to the first bed and a second input is disposed to bypass the first bed and provide a hydrocarbon stream to the second bed. A differential temperature controller measures a temperature difference across the first bed. A control valve at the second input adjusts an amount of the hydrocarbon stream admitted through the second input based on the measured temperature difference. A charge heater provides a hydrocarbon stream as an output through a split output line having a first branch connected to the first input and in fluid communication with the first bed, and a second branch connected to the second input and in fluid communication with the second bed. A restrictor downstream of the split controls a pressure drop at the first input. | 03-12-2015 |
| 20150073183 | PRODUCTION OF OLEFINS FROM A METHANE CONVERSION PROCESS - Methods and systems are provided for converting methane in a feed stream to acetylene. The method includes the further conversion of the acetylene to a hydrocarbon stream having propylene. The hydrocarbon stream is introduced into a supersonic reactor and pyrolyzed to convert at least a portion of the methane to acetylene. The reactor effluent stream is treated to convert acetylene to another hydrocarbon, and in particular olefins. The method according to certain aspects includes controlling the level of contaminants in the hydrocarbon stream. | 03-12-2015 |
| 20150073182 | PRODUCTION OF OLEFINS FROM A METHANE CONVERSION PROCESS - Methods and systems are provided for converting methane in a feed stream to acetylene. The method includes the further conversion of the acetylene to a hydrocarbon stream comprising C6 to C12 olefins. The hydrocarbon stream is introduced into a supersonic reactor and pyrolyzed to convert at least a portion of the methane to acetylene. The reactor effluent stream is treated to convert acetylene to another hydrocarbon, and in particular olefins. The method according to certain aspects includes controlling the level of contaminants in the hydrocarbon stream. | 03-12-2015 |
| 20150072916 | LINEAR ALKYLBENZENES FROM NATURAL OILS AND METHODS OF PRODUCING - The production of linear alkylbenzene from a natural oil is provided. A method comprises the step of deoxygenating the natural oils to form a stream comprising paraffins. The paraffins are dehydrogenated to provide mono-olefins. Then, benzene is alkylated with the mono-olefins under alkylation conditions to provide an alkylation effluent comprising alkylbenzenes and benzene. Thereafter, the alkylbenzenes are isolated to provide the alkylbenzene product. | 03-12-2015 |
| 20150068954 | ALKALINE SOLUTION CONTACT PROCESS AND APPARATUS RELATING THERETO - One exemplary embodiment can be a process for contacting an alkaline solution with kerosene or diesel. The process can include providing a stream of kerosene or diesel and at least one of a naphthenic acid and a salt thereof, with an additional alkaline solution to a prewash vessel, forming an emulsion interface between a kerosene or diesel phase and an alkaline phase in the prewash vessel, controlling an amount of the emulsion interface by withdrawing at least a portion of the emulsion interface between the two phases, and adding an acid to a withdrawn emulsion. | 03-12-2015 |
| 20150068109 | HYDROCARBON COMPOSITION USEFUL AS A FUEL AND FUEL OIL CONTAINING A PETROLEUM COMPONENT AND A COMPONENT OF A BIOLOGICAL ORIGIN - The invention relates to a hydrocarbon composition, which can be used as a fuel and/or fuel oil, containing a petroleum component (A) and a component of a biological origin (B), wherein the component of a biological origin is present in a quantity of up to 75% by volume with respect to the total composition. Said component of a biological origin (B) is prepared starting from a mix of a biological origin (C) containing esters of fatty acids, with possible aliquots of free fatty acids, by means of a process which comprises the following steps:
| 03-12-2015 |
| 20150065768 | SYSTEMS AND METHODS FOR XYLENE ISOMER PRODUCTION - Methods and systems are provided for producing a xylene product. The method includes fractionating a feed stream in a feed fractionator to produce a feed bottoms stream and a feed overhead stream. The feed stream includes aromatic compounds and non-aromatic compounds, and more than 5 weight percent of the non-aromatic compounds have a boiling point above 105° C. at one atmosphere of pressure. The feed bottoms stream is de-ethylated in a heavy aromatics conversion zone to produce a de-ethylated aromatics stream and a light gases stream, where non-aromatic compounds are converted to light gases in the light gases stream. The de-ethylated aromatics stream is fractionated to produce a heavy aromatics stream and an intermediate aromatics stream, and a desired isomer stream is recovered from the intermediate aromatics stream and an isomerized stream in an isomer recovery process. The isomer recovery process produces an isomer raffinate stream, and the isomer raffinate stream is isomerized in an isomerization zone to produce the isomerized stream. | 03-05-2015 |
| 20150064076 | PROCESS AND APPARATUS FOR PRODUCING DIESEL WITH HIGH CETANE - A process and apparatus is provided to produce desulfurized diesel at low pressure with high cetane rating. A hydrotreated stream is stripped and fed to a saturation reactor. The saturated stream is stripped again and fractionated to provide diesel product. Unconverted oil may be hydrocracked and stripped with the saturated product. | 03-05-2015 |
| 20150060334 | METHODS AND APPARATUSES FOR PROCESSING HYDROCARBON STREAMS CONTAINING ORGANIC NITROGEN SPECIES - Methods and apparatuses for processing hydrocarbon streams containing organic nitrogen species are provided. In an embodiment, a method for processing a hydrocarbon stream containing organic nitrogen species includes adding an aqueous acidic solution to a hydrocarbon feed stream to form a reaction stream. The method further includes contacting the reaction stream with a reaction surface and reacting the aqueous acidic solution and the organic nitrogen species to form an ammonium sulfate rich stream and a lean nitrogen naphtha stream. Also, the method includes separating an ammonium sulfate rich aqueous phase and an oil phase from the ammonium sulfate rich stream. | 03-05-2015 |
| 20150060330 | PROCESS AND APPARATUS FOR PRODUCING DIESEL WITH HIGH CETANE - A process and apparatus is provided to produce desulfurized diesel at low pressure with high cetane rating. A hydrotreated stream is stripped and fed to a saturation reactor. The saturated stream is stripped again and fractionated to provide diesel product. Unconverted oil may be hydrocracked and stripped with the saturated product. | 03-05-2015 |
| 20150060034 | HEAT TRANSFER UNIT FOR PROCESS FLUIDS - A heat transfer unit includes an inlet manifold; an outlet manifold spaced from the inlet manifold; and a plurality of conduits coupling the inlet manifold to the outlet manifold, wherein at least on the conduits is coupled to the outlet manifold at an oblique angle. In one form, the conduit includes a L-Coil. In another form, the conduit includes a D-Coil. In another form, the conduit includes a coil having two or more C-shaped sections. Each conduit includes a section arranged in an interior space of a heater box, and at least one heater is arranged in the interior space of the heater box. | 03-05-2015 |
| 20150057483 | METHODS AND APPARATUSES FOR ISOMERIZATION OF PARAFFINS - Embodiments of methods and apparatuses for isomerization of paraffins are provided. In one example, a method comprises the steps of separating an isomerization effluent into a product stream that comprises branched paraffins and a stabilizer overhead vapor stream that comprises HCl, H | 02-26-2015 |
| 20150057480 | Radial Flow Process and Apparatus - A system for radial flow contact of a reactant stream with catalyst particles includes a reactor vessel and a catalyst retainer in the reactor vessel. The catalyst retainer includes an inner particle retention device and an outer particle retention device. The inner particle retention device and the outer particle retention device are spaced apart to define a catalyst retaining space. The inner particle retention device defines an axial flow path of the reactor vessel, and the outer particle retention device and an inner surface of a wall of the reactor vessel define an annular flow path of the reactor vessel. The system includes an inlet nozzle having an exit opening in fluid communication with the axial flow path, and an outlet nozzle in fluid communication with the annular flow path. The system can further include a fluid displacement device in the axial flow path of the reactor vessel. | 02-26-2015 |
| 20150057477 | SYSTEMS AND METHODS FOR PRODUCING FUEL FROM A RENEWABLE FEEDSTOCK - Methods and systems are provided for producing a fuel from a renewable feedstock. The method includes deoxygenating the renewable feedstock with a hydrogenation catalyst in a deoxygenation reaction zone to produce normal paraffins. The normal paraffins are isomerized to form isomerized paraffins using an isomerization catalyst in an isomerization reaction zone. Aromatic compounds are formed from non-aromatic compounds with an aromatic catalyst in an aromatic production zone downstream from the deoxygenation reaction zone. | 02-26-2015 |
| 20150057146 | CATALYST REGENERATOR PROCESS - A method of operating a continuous or semi-continuous system for a catalyst regeneration process. The system comprises a regenerator, the regenerator comprising a combustion zone and a halogenation zone. The catalyst is fed into the regenerator. A circulating regeneration gas is introduced into a regenerator circuit including oxygen, the circulating regeneration gas having a nitrogen concentration that is less than air. Oxygen from the circulating regeneration gas reacts with the coke to provide water and carbon dioxide. Water and the carbon dioxide formed in this first reaction then further react with the coke to form carbon monoxide and hydrogen. | 02-26-2015 |
| 20150056103 | APPARATUSES AND RISERS FOR REACTING FEEDSTOCK IN THE PRESENCE OF CATALYST AND METHODS FOR INSTALLING BAFFLES IN RISERS - Embodiments of apparatuses and risers for reacting a feedstock in the presence of a catalyst and methods for installing a baffle in such risers are provided. In one example, a riser comprises a sidewall that defines a cylindrical housing surrounding an interior. A plurality of baffle assemblies is releasably coupled to the sidewall and each comprises a baffle section. The baffle sections together define a segmented baffle ring extending inwardly in the interior. | 02-26-2015 |
| 20150053590 | METHOD AND DEVICE FOR IMPROVING EFFICIENCY OF SPONGE OIL ABSORPTION - A method for improving efficiency of sponge absorption includes providing cold flash drum liquid to an inlet of a cold stripper to produce a cold stripper net overhead vapor stream rich in liquid petroleum gas, and separately providing hot flash drum liquid to an inlet of a hot stripper to produce a hot stripper net overhead vapor stream rich in hydrogen. The cold stripper net overhead vapor stream and the hot stripper net overhead vapor stream are separately routed to a sponge absorber to recover a liquid petroleum gas output stream using sponge oil. In particular, the cold stripper net overhead vapor stream and the hot stripper net overhead vapor stream are separately routed to the sponge absorber at different tray locations | 02-26-2015 |
| 20150053589 | HYDROCARBON HYDROTREATING DEVICE AND METHOD FOR REMOVING CHLORIDE FROM A HYDROCARBON STREAM - A method for processing hydrocarbons includes providing a hydrocarbon stream including chlorides from one or more of a crude, vacuum or coker column and contacting the provided hydrocarbon stream with an adsorbent capable of adsorbing the chlorides from the hydrocarbon stream. The dechlorinated hydrocarbon stream is then provided to a hydrotreater reactor. | 02-26-2015 |
| 20150052941 | FRACTIONATION SYSTEM HAVING RECTIFYING AND STRIPPING COLUMNS IN A SINGLE VESSEL WITH A UNIFORM DIAMETER - Fractionation systems utilizing a single rectifying column with a stripping column housed in the same vessel and having a uniform diameter are described. Methods of separating feed streams using the fractionation systems are also described. | 02-26-2015 |
| 20150052940 | FRACTIONATION SYSTEM AND METHOD INCLUDING DEPROPANIZER COLUMN AND BOTTOMS STRIPPING COLUMN - Fractionation systems utilizing a rectifying column with a stripping column are described. The liquid from the rectifying column bottoms is sent to the first tray of the stripping column, while the overhead stream from the stripping column is sent to the bottom of the rectifying column. Processes for separating feed streams are also described. | 02-26-2015 |
| 20150051431 | METHODS AND SYSTEMS FOR PRODUCING GASOLINE - Methods and systems for producing gasoline are disclosed. In one exemplary embodiment, a method for producing gasoline includes the steps of isomerizing a first stream comprising normal C | 02-19-2015 |
| 20150047503 | ENHANCED HYDROGEN RECOVERY - A process for recovering hydrogen during hydroprocessing, where the process includes providing a pressure increasing device to a hydroprocessing unit, wherein the pressure increasing device utilizes a high pressure stream from a separator for increasing pressure; introducing a hydrogen containing stream to the pressure increasing device, thereby increasing the pressure of the hydrogen containing stream; and routing the hydrogen containing stream from the pressure increasing device to a vapor-liquid separator. The process also includes separating the hydrogen from the hydrogen containing stream in a hydrogen purification unit to produce a recovered hydrogen stream; and then preferably using the recovered hydrogen stream from the hydrogen purification unit within the hydroprocessing unit. | 02-19-2015 |
| 20150045599 | METHODS FOR PRODUCING JET-RANGE HYDROCARBONS - A method for producing jet-range hydrocarbons includes passing a stream comprising renewable C | 02-12-2015 |
| 20150045598 | FLEXIBLE PROCESS FOR ENHANCING STEAM CRACKER AND PLATFORMING FEEDSTOCKS - A process for increasing the yields of light olefins or shifting to increase the hydrocarbon components to gasoline blending pools from a hydrocarbon feedstock is presented. The process includes separating a naphtha feedstock to components to a first stream that are more readily processed in a cracking unit and to components in a second stream that are more readily processed in a reforming unit. The process includes the ability to convert components from the cracking stream to the reforming stream, and to convert components from the reforming stream to the cracking stream. | 02-12-2015 |
| 20150045597 | INTEGRATED PROCESS FOR GASOLINE OR AROMATICS PRODUCTION - A process for increasing the yields of hydrocarbon components to gasoline blending pools from a hydrocarbon feedstock is presented. The process includes separating a naphtha feedstock to components to a first stream that are more readily processed in a cracking unit and to components in a second stream that are more readily processed in a reforming unit. | 02-12-2015 |
| 20150045593 | JET-RANGE HYDROCARBONS - A jet-range hydrocarbon product includes a mixture of paraffins. The mixture exhibits a freeze point of less than or equal to about −70° C., a 95% distillation point of greater than or equal to about 275° C., and a smooth boiling point curve that is characterized as having no intervals of the boiling point curve having a slope that is steeper than 4° C./mass % as defined by ASTM standard D2887 between mass recovered ranges of about 20% to about 80%. The steepness of the boiling point curve slope is calculated over any 10 mass % increments within the specified mass % ranges. | 02-12-2015 |
| 20150044618 | ADJUSTABLE AND ROBUST RADIANT WALL BURNER TIP - A radiant wall burner apparatus. The apparatus includes an orifice for the introduction of fuel gas into an elongated mixing conduit for the directional flow and mixing of the fuel gas with combustion air provided through an inlet. The fuel gas and air mixture terminates through an adjustable burner tip. The radiant wall burner apparatus and burner tip allow for a two-leaf, adjustable radiant wall burner tip design that is less susceptible to heat deformation, flashback, and self-destruction, having fewer manufacturing issues, and having the capability to use hydrogen as a fuel source. | 02-12-2015 |
| 20150038752 | SYSTEMS AND METHODS OF PRODUCING AROMATIC PRODUCTS - Systems and methods for producing aromatic products are provided. An aromatic stream is provided with aromatic compounds and olefins. The olefins are reacted with aromatic compounds to form colored bodies, and the aromatic stream is distilled to produce an overhead stream and reboiler stream. The colored bodies are in the reboiler stream, and the reboiler stream is passed through an absorbent to remove the colored bodies. | 02-05-2015 |
| 20150034529 | PROCESSES AND APPARATUSES FOR REMOVING MERCAPTANS FROM A FEED STREAM - Processes and apparatuses for removing mercaptans from feed streams are provided. In one embodiment, a process for removing mercaptans from a feed stream includes extracting mercaptans and a polymeric precursor from the feed stream with a caustic solvent to form a polymeric precursor rich spent caustic solvent. The polymeric precursor rich spent caustic solvent is contacted with a polymeric precursor-deficient hydrocarbon stream in a multistage vessel and the polymeric precursor is extracted from the polymeric precursor rich spent caustic solvent to form a treated spent caustic solvent. The process contacts the treated spent caustic solvent with oxygen and oxidizes the mercaptans to disulfides to form an oxidized caustic solvent stream. The process includes separating the oxidized caustic solvent stream into an offgas stream, a disulfide stream, and a caustic solvent stream. | 02-05-2015 |
| 20150031928 | PROCESSES AND APPARATUSES FOR PREPARING AROMATIC COMPOUNDS - Processes and apparatuses for preparing aromatic compounds are provided herein. In an embodiment, a process for preparing aromatic compounds includes providing a first stream that includes an aromatic component, a non-aromatic component, and a sulfur-containing component. The aromatic component and the sulfur-containing component are separated from the non-aromatic component of the first stream to form a separated aromatic stream and a raffinate stream. The separated aromatic stream includes the aromatic component and the sulfur-containing component. The raffinate stream includes the non-aromatic component. The separated aromatic stream is concurrently transalkylated and desulfurized in the presence of a catalyst that includes acid function and metal function to produce a transalkylated aromatic stream and a sulfur-containing gas stream that is separate from the transalkylated aromatic stream. | 01-29-2015 |
| 20140374358 | MANGANESE OXIDE-BASED AND METALLOMANGANESE OXIDE-BASED ION-EXCHANGERS FOR REMOVING MERCURY (+2) IONS FROM LIQUID STREAMS - A process for removing Hg | 12-25-2014 |
| 20140371509 | PROCESS FOR TREATING A LIQUID HYDROCARBON STREAM - One exemplary embodiment can be a process for treating a liquid hydrocarbon stream. The process can include passing the liquid hydrocarbon stream previously contacted with a solvent having an alkanolamine consisting of diethanolamine, a methyl diethanolamine, or a mixture thereof, and an alkali to a vessel. Generally, the vessel contains a coalescing zone for removing at least one of hydrogen sulfide and carbonyl sulfide. | 12-18-2014 |
| 20140371497 | PROCESS FOR PRODUCING A CHEMICAL FEEDSTOCK AND APPARATUS RELATING THERETO - One exemplary embodiment can be a process for producing a chemical feedstock. The process can include passing a feed to a hydrotreatment zone, passing an effluent from the hydrotreatment zone to a fractionation zone, passing a stream including one or more C5-C25 hydrocarbons from the fractionation zone to a fluid catalytic cracking zone to obtain an another stream including one or more C6-C10 hydrocarbons, and passing the another stream to an adsorption zone for removing at least one heteroatom compound having a sulfur or a nitrogen atom. | 12-18-2014 |
| 20140357927 | Apparatus and Process for Removal of Sulfur-Containing Compounds from a Hydrocarbon Stream - A process for removing sulfur compounds from a liquid hydrocarbon stream includes the steps of feeding the hydrocarbon stream to a recirculation section of an extraction vessel wherein the recirculation section contains a first alkaline solution; passing the hydrocarbon stream through the recirculation section; recirculating at least a part of a first alkaline stream to a top deck of one or more liquid-liquid contacting decks of the recirculation section; passing the hydrocarbon stream from the recirculation section to an extraction section of the extraction vessel wherein the extraction section includes one or more liquid-liquid contacting decks; feeding a second alkaline stream to an upper deck of the one or more liquid-liquid contacting decks of the extraction section wherein the second alkaline stream includes a second alkaline solution; and withdrawing a hydrocarbon product stream from the extraction vessel. An apparatus for removing sulfur compounds from the hydrocarbon stream is also disclosed. | 12-04-2014 |
| 20140357926 | REMOVAL OF SULFUR COMPOUNDS FROM NATURAL GAS STREAMS - A process for treatment of a natural gas stream, or other methane containing stream that passes through a guard bed for removal of mercury and hydrolysis of COS, followed by treatment with an absorbent unit containing an amine solvent for removal of carbon dioxide and hydrogen sulfide. The gas is then dried by a molecular sieve bed. The regeneration gas for the molecular sieve adsorbent bed is chilled to remove liquid hydrocarbons and sulfur compounds. The process is accomplished without the use of an absorbent unit to remove the sulfur compounds. | 12-04-2014 |
| 20140357917 | EXTENDED CONTACT TIME RISER - A riser includes a housing in communication with a entry conduit and an exit conduit. The housing is defined by a holdup chamber having a volume of between about 1133 liters and about 45307 liters. The riser is designed to receive a hydrocarbon feed and a catalyst. An apparatus for fluid catalytic cracking includes a riser in fluid communication with a reactor vessel. A hydrocarbon feed stream and a catalyst travel through a first section of the riser at a first velocity of between about 1.5 m/sec to about 10 m/sec and through a second section of the riser at a second velocity of more than about 15 m/sec. A process for fluid catalytic cracking uses a riser with a holdup chamber. A hydrocarbon feed and a catalyst decrease in velocity in the holdup chamber to between 1.5 m/sec and 10 m/sec. | 12-04-2014 |
| 20140357914 | NAPHTHA CRACKING - A process for increasing the yields of light olefins and the yields of aromatics from a hydrocarbon stream is presented. The process includes a first separation to direct the light components that are not reformable to a cracking unit, with the remainder passed to a second separation unit. The second separation unit extracts normal components from the hydrocarbon stream to pass to the cracking unit. The resulting hydrocarbon stream with reduced light ends and reduced normals is passed to a reforming unit. | 12-04-2014 |
| 20140357913 | NAPHTHA CRACKING - A process for increasing the yields of light olefins and the yields of aromatics from a hydrocarbon stream is presented. The process includes a first separation to direct the light components that are not reformable to a cracking unit, with the remainder passed to a second separation unit. The second separation unit extracts normal components from the hydrocarbon stream to pass to the cracking unit. The resulting hydrocarbon stream with reduced light ends and reduced normals is passed to a reforming unit. | 12-04-2014 |
| 20140353215 | Process and Apparatus for Recovering LPG from PSA Tail Gas - A process for recovering liquefied petroleum gas from tail gas includes recovering a tail gas stream from a pressure swing adsorption zone and contacting the tail gas stream with a sponge liquid such as an unstabilized reformate liquid stream in order to recover C | 12-04-2014 |
| 20140352531 | METHODS OF PREPARING AN IMPURITY-DEPLETED HYDROGEN STREAM, METHODS OF ANALYZING CONTENT OF AN IMPURITY-DEPLETED HYDROGEN STREAM, AND PRESSURE SWING ADSORPTION APPARATUSES - Methods of preparing an impurity-depleted hydrogen stream, methods of analyzing content of an impurity-depleted hydrogen stream from a pressure swing adsorption process, and pressure swing adsorption apparatuses are provided herein. In an embodiment, a method of analyzing content of an impurity-depleted hydrogen stream from a pressure swing adsorption process includes providing a hydrogen-containing feed stream to a pressure swing adsorption zone. The hydrogen-containing feed stream further includes an impurity content including methane and carbon monoxide. Methane and carbon monoxide are adsorbed from the hydrogen-containing feed stream in the pressure swing adsorption zone. The impurity-depleted hydrogen stream is withdrawn from the pressure swing adsorption zone, with the impurity-depleted hydrogen stream having a residual methane content and a residual carbon monoxide content. The residual methane content of the impurity-depleted hydrogen stream is sensed. | 12-04-2014 |
| 20140338869 | PLATE HEAT EXCHANGER AND METHOD OF USING - A process for heating a cold stream with a hot stream is described. At least one of the cold inlet or outlet, the hot inlet or outlet, the cold inlet or outlet header, the hot inlet or outlet header, and the plurality of plates is made of one of two stainless steel alloys. One alloy has higher molybdenum content with copper for improved corrosion resistance and is resistant to chloride pitting, chloride SCC, and PTA SCC. The other alloy has significantly higher tensile and yield strength, which will reduce the susceptibility of the plate bundle to thermal stress damage. | 11-20-2014 |
| 20140336433 | PROCESS FOR INITIATING OPERATIONS OF A SEPARATION APPARATUS - One exemplary embodiment can be a process for initiating operations of a separation apparatus. The process may include passing a hydrocarbon carrier having a sulfiding agent through an exchanger for heating the hydrocarbon carrier prior to entering a stripper. | 11-13-2014 |
| 20140336428 | RECYCLE GAS SCRUBBING USING IONIC LIQUIDS - A method of removing CO | 11-13-2014 |
| 20140329190 | APPARATUS AND METHOD FOR MINIMIZING SMOKE FORMATION IN A FLARING STACK - An apparatus and method for minimizing smoke formation in the operation of a flaring stack. The apparatus includes a generally annular gas deflector having an outer surface for deflecting the waste gas therealong. A plurality of lobes extend radially from the deflector to provide improved mixing between the waste gas and combustion air during combustion to reduce smoke formation. | 11-06-2014 |
| 20140329189 | APPARATUS AND METHOD FOR MINIMIZING SMOKE FORMATION IN A FLARING STACK - An apparatus and method for minimizing smoke formation in the operation of a flaring stack. The apparatus includes a generally annular gas deflector having an outer surface for deflecting the waste gas therealong. A plurality of lobes extend radially from the deflector to provide improved mixing between the waste gas, steam, and combustion air during combustion to reduce smoke formation. | 11-06-2014 |
| 20140329186 | APPARATUS AND METHOD FOR MINIMIZING SMOKE FORMATION IN A FLARING STACK - An apparatus and method for minimizing smoke formation in the operation of a flaring stack. The apparatus includes a generally annular gas deflector having an outer surface for deflecting the waste gas therealong. A plurality of lobes extend radially from the deflector to provide improved mixing between the waste gas and combustion air during combustion to reduce smoke formation. | 11-06-2014 |
| 20140329185 | APPARATUS AND METHOD FOR MINIMIZING SMOKE FORMATION IN A FLARING STACK - An apparatus and method for minimizing smoke formation in the operation of a flaring stack. The apparatus includes a generally annular gas deflector having an outer surface for deflecting the waste gas therealong. A plurality of lobes extend radially from the deflector to provide improved mixing between the waste gas, steam, and combustion air during combustion to reduce smoke formation. | 11-06-2014 |
| 20140323788 | PROCESS FOR MODIFYING AN APPARATUS AND FOR REMOVING ONE OR MORE CONTAMINANTS - One exemplary embodiment can be a process for modifying an apparatus. The apparatus can include adding an adsorption zone upstream of a hydrocracking zone and a downstream of a vacuum distillation zone to adsorb polynuclear aromatic compounds originating from a feed provided to the vacuum distillation zone. | 10-30-2014 |
| 20140323289 | ZEOLITIC ADSORBENTS FOR USE IN ADSORPTIVE SEPARATION PROCESSES AND METHODS FOR MANUFACTURING THE SAME - A method for producing a zeolitic adsorbent includes providing a zeolite material, providing a zeolite material, providing a first clay binder material and a second clay binder material, the first clay binder material having a greater median particle size than the second clay binder material, determining a desired adsorption kinetics rate for the zeolitic adsorbent, wherein the desired adsorption kinetics rate is based at least in part on a separations process in which the zeolitic adsorbent is desired to be employed, and selecting either the first clay binder material or the second clay binder material based at least in part on the determined desired adsorption kinetics rate. The method further includes blending the zeolite material and the selected first or second clay binder material to form a zeolite/binder blended system, forming a plurality of shaped zeolitic adsorbent pieces from the exchanged zeolite/binder blended system, binder-converting the clay binder material into a zeolite material, and ion-exchanging the binder-converted shaped pieces with an exchange cation to form an ion-exchanged zeolite/binder blended system. | 10-30-2014 |
| 20140319419 | MIXTURES OF PHYSICAL ABSORPTION SOLVENTS AND IONIC LIQUIDS FOR GAS SEPARATION - The invention comprises an absorbent composition and process for purification of gaseous mixtures. The composition comprises a mixture of a physical absorption solvent and an ionic liquid. It was found that the mixtures provided improved absorption of a gas component, such as carbon dioxide, when compared physical absorption solvents. | 10-30-2014 |
| 20140318944 | CATALYTIC PYROLYSIS OF BIOMASS USING A MULTI-STAGE CATALYST REGENERATOR - Disclosed in one embodiment is a method for the catalytic pyrolysis of a carbonaceous material that includes contacting the carbonaceous material with a plurality of catalyst particles to produce a gas phase product and a solid phase product and separating the gas phase product from the solid phase product and the plurality of catalyst particles. The method further includes partially regenerating the plurality of catalyst particles by exposing the solid phase product and the catalyst particles to a first oxidizing condition to produce an oxidized solid phase and a partially-regenerated catalyst and cooling the partially-regenerated catalyst and a non-oxidized portion of the solid phase product. Still further, the method includes further regenerating the partially-regenerated catalyst by exposing the non-oxidized portion of the solid phase product and the partially-regenerated catalyst to a second oxidizing condition. | 10-30-2014 |
| 20140318370 | MIXTURES OF PHYSICAL ABSORPTION SOLVENTS AND IONIC LIQUIDS FOR GAS SEPARATION - The invention comprises an absorbent composition and process for purification of gaseous mixtures. The composition comprises a mixture of a physical absorption solvent and an ionic liquid. It was found that the mixtures provided improved absorption of a gas component, such as carbon dioxide, when compared physical absorption solvents. | 10-30-2014 |
| 20140311986 | USE OF ZEOLITIC MATERIALS FOR REMOVING MERCURY (+2) IONS FROM LIQUID STREAMS - A process for removing Hg | 10-23-2014 |
| 20140309465 | HYDROPROCESSING INITIALIZING PROCESS AND APPARATUS RELATING THERETO - One exemplary embodiment can be a process for initializing hydroprocessing. Generally, the process can include providing a hydrocarbon feed to a hydrotreating zone within which the hydrotreating temperature is catalytically limited, passing an effluent from the hydrotreating zone to a hydrocracking zone, and adding a gas to the effluent that has a higher temperature than the effluent. Thus, the temperature of the effluent may be raised, facilitating hydrocracking reactions within the hydrocracking zone. | 10-16-2014 |
| 20140296603 | REACTOR MULTI-PASS GRIDS FOR IMPROVED CATALYST HYDRODYNAMICS - A process and device for the flow of catalyst in a reactor is presented. The device includes a series of grids within a reactor vessel, where each grid includes small openings for the passage of gas and some catalyst particles, and larger openings for the more continuous passage of catalyst. The grids span horizontally across the vessel, and are spaced vertically apart to provide for the flow of catalyst down through the reactor | 10-02-2014 |
| 20140296602 | ISOMERIZATION PROCESS WITH MTW CATALYST - An extruded C | 10-02-2014 |
| 20140296601 | ISOMERIZATION PROCESS WITH MTW CATALYST - An extruded C | 10-02-2014 |
| 20140296590 | METHODS AND APPARATUSES FOR PROCESSING RENEWABLE FEEDSTOCKS - Embodiments of methods and apparatuses for processing a renewable feedstock are provided herein. In one example, a method comprises dividing a H | 10-02-2014 |
| 20140296589 | Process for the Purification of 1,3-Butadiene from an Oxidative Dehydrogenation Process - A process is presented for the purification of 1,3 butadiene. The process is for treating a butadiene stream from an oxidative dehydrogenation unit, where a butane stream is dehydrogenated, generating a butadiene rich stream. The butadiene rich stream is fractionated and passed through a butadiene recovery unit. Additional C4 compounds recovered from the fractionation bottoms stream are further processed for increasing yields of butadiene. | 10-02-2014 |
| 20140296588 | PRODUCTION OF BUTADIENE AND MIXED ETHERS FROM AN OXYGENATE TO OLEFIN UNIT - A method of producing butene from an oxygenate-containing feedstock is described. The oxygenate-containing feedstock is converted to olefins and separated. The C | 10-02-2014 |
| 20140296587 | Integrated Process for Increasing Butadiene Production - A process is present for increasing the yields of 1,3 butadiene. The process includes recovering 1,3 butadiene from a cracking unit that generates a crude C4 stream. The 1,3 butadiene is separated and the remaining C4 process stream components are further reacted and dehydrogenated to generate 1,3 butadiene in a subsequent process stream. The subsequent process stream is recycled to recover the additional 1,3 butadiene. | 10-02-2014 |
| 20140296058 | DEHYDROGENATION REACTOR CATALYST COLLECTOR WITH HOT HYDROGEN STRIPPING ZONE - A process and apparatus is presented for the removal of sulfur from a catalyst. The catalyst is a dehydrogenation catalyst, and sulfur accumulates during the dehydrogenation process. The sulfur is removed before the catalyst is regenerated to prevent the formation of undesirable sulfur oxide compounds created during regeneration. The catalyst, during regeneration, includes redispersion of a metal on the catalyst, and removal of sulfur oxides overcomes the interference with chloride retention and metal redispersion in the regeneration process. | 10-02-2014 |
| 20140294694 | PROCESS FOR TRANSFERRING CATALYST AND AN APPARATUS RELATING THERETO - One exemplary embodiment can be a process for transferring catalyst in a fluid catalytic cracking apparatus. The process can include passing the catalyst through a conveyor wherein the conveyor contains a screw for transporting the catalyst. | 10-02-2014 |
| 20140294685 | REACTOR MULTI-PASS GRIDS FOR IMPROVED CATALYST HYDRODYNAMICS - A process and device for the flow of catalyst in a reactor is presented. The device includes a series of grids within a reactor vessel, where each grid includes small openings for the passage of gas and some catalyst particles, and larger openings for the more continuous passage of catalyst. The grids span horizontally across the vessel, and are spaced vertically apart to provide for the flow of catalyst down through the reactor | 10-02-2014 |
| 20140294684 | Apparatus for a Radial-Flow Reactor and Method for Assembly Thereof - An apparatus for a radial-flow reactor according to various approaches includes an inner partition assembly having an inwardly tapered bottom portion. According to various approaches, an inner partition assembly support includes a socket with a tapered upper rim. A process according to various aspects includes assembling a radial-flow reactor by installing an inner partition assembly by aligning a bottom portion of the inner partition assembly with an opening of a inner partition assembly support socket and lowering the bottom portion into the opening. | 10-02-2014 |
| 20140294683 | Apparatus for a Radial-Flow Reactor and Method for Assembly Thereof - An apparatus for a radial-flow reactor according to various approaches includes a catalyst transfer pipe having an inwardly tapered end portion. According to various approaches, a catalyst transfer port of the reactor may include a centering device having an upper tapered surface for facilitating assembly of the reactor. A method according to various aspects includes assembling a radial-flow reactor by installing a catalyst transfer pipe through a catalyst transfer port. | 10-02-2014 |
| 20140294682 | INCLINED BASEPLATE IN DEHYDROGENATION REACTOR - An inclined baseplate for a radial bed reactor improves solids flow from the bottom of the reactor. Gas flow can be improved by utilizing an aerated baseplate or by providing a non-porous section of outer perforated cylinder in the area below the level of the bottom of the inner perforated cylinder. | 10-02-2014 |
| 20140291208 | PROCESS FOR REGENERATING IONIC LIQUIDS BY ADDING LIGHT HYDROCARBON STREAM - A process for removing at least one impurity from a hydrocarbon feed such as vacuum gas oil in which the process includes the steps of contacting the feed with a hydrocarbon-immiscible phosphonium ionic liquid to produce a hydrocarbon and hydrocarbon-immiscible phosphonium ionic liquid mixture, and separating the mixture to produce a hydrocarbon effluent having a reduced impurity content relative to the hydrocarbon feed. | 10-02-2014 |
| 20140291201 | HYDROPROCESSING AND APPARATUS RELATING THERETO - One exemplary embodiment can be a process for hydroprocessing. The process can include providing a hydroprocessing zone having at least two beds, and quenching downstream of a first bed of the at least two beds with a first vacuum gas oil that may be lighter than another vacuum gas oil fed to the first bed. | 10-02-2014 |
| 20140290478 | HIGH PERFORMANCE CROSS-LINKED POLYIMIDE ASYMMETRIC FLAT SHEET MEMBRANES - The present invention discloses high performance cross-linked polyimide asymmetric flat sheet membranes and a process of using such membranes. The cross-linked polyimide asymmetric flat sheet membranes have shown CO | 10-02-2014 |
| 20140290062 | Apparatus for a Radial-Flow Reactor and Method for Assembly Thereof - An apparatus for a radial-flow reactor according to various approaches includes an inner partition assembly having an inwardly tapered bottom portion. According to various approaches, an inner partition assembly support includes a socket with a tapered upper rim. A process according to various aspects includes assembling a radial-flow reactor by installing an inner partition assembly by aligning a bottom portion of the inner partition assembly with an opening of a inner partition assembly support socket and lowering the bottom portion into the opening. | 10-02-2014 |
| 20140290061 | Apparatus for a Radial-Flow Reactor and Method for Assembly Thereof - An apparatus for a radial-flow reactor according to various approaches includes a catalyst transfer pipe having an inwardly tapered end portion. According to various approaches, a catalyst transfer port of the reactor may include a centering device having an upper tapered surface for facilitating assembly of the reactor. A method according to various aspects includes assembling a radial-flow reactor by installing a catalyst transfer pipe through a catalyst transfer port. | 10-02-2014 |
| 20140288345 | System and Process for Flushing Residual Fluid from Transfer Lines in Simulated Moving Bed Adsorption - A process according to various approaches includes flushing an intermediate transfer line between a raffinate stream transfer line and a desorbent stream transfer line away from the adsorptive separation chamber to remove residual fluid including desorbent from intermediate transfer line. The process may include directing the residual fluid flushed from the intermediate transfer line to a recycle stream to introduce the residual fluid into the adsorptive separation chamber. | 09-25-2014 |
| 20140271398 | PROCESS AND APPARATUS FOR RECOVERING AND BLENDING HYDROPROCESSED HYDROCARBONS AND COMPOSITION - A process and apparatus provides for blending a heavy naphtha stream with a diesel stream to increase the yield of diesel. The diesel stream is recovered separately from a kerosene stream to leave the kerosene stream undiminished. The blended diesel provides a valuable composition. | 09-18-2014 |
| 20140271396 | PROCESS AND APPARATUS FOR RECOVERING HYDROPROCESSED HYDROCARBONS WITH STRIPPER COLUMNS - Two or three strippers are used to strip three hydroprocessed effluent streams, perhaps from a slurry hydrocracking reactor, separated by temperature instead of a single stripper to preserve separations previously made and conserving energy and reducing vessel size. A cold stripped stream may be taken as a diesel blending stock without further fractionation. | 09-18-2014 |
| 20140271395 | PROCESS AND APPARATUS FOR RECOVERING HYDROPROCESSED HYDROCARBONS WITH SINGLE PRODUCT FRACTIONATION COLUMN - A hot stripped hydroprocessed stream from a stripper column may be sent directly to a vacuum fractionation column instead of being first processed in an atmospheric fractionation column. If a separate warm stripper column is used, both the warm stripped stream and a hot stripped stream may be fractionated in the same fractionation column, particularly a vacuum fractionation column. | 09-18-2014 |
| 20140262963 | PROCESS AND APPARATUS FOR RECOVERING AND BLENDING HYDROPROCESSED HYDROCARBONS AND COMPOSITION - A process and apparatus provides for blending a heavy naphtha stream with a diesel stream to increase the yield of diesel. The diesel stream is recovered separately from a kerosene stream to leave the kerosene stream undiminished. The blended diesel provides a valuable composition. | 09-18-2014 |
| 20140262948 | PROCESS AND APPARATUS FOR RECOVERING HYDROPROCESSED HYDROCARBONS WITH STRIPPER COLUMNS - Two or three strippers are used to strip three hydroprocessed effluent streams, perhaps from a slurry hydrocracking reactor, separated by temperature instead of a single stripper to preserve separations previously made and conserving energy and reducing vessel size. A cold stripped stream may be taken as a diesel blending stock without further fractionation. | 09-18-2014 |
| 20140262946 | PROCESS AND APPARATUS FOR RECOVERING HYDROPROCESSED HYDROCARBONS WITH SINGLE PRODUCT FRACTIONATION COLUMN - A hot stripped hydroprocessed stream from a stripper column may be sent directly to a vacuum fractionation column instead of being first processed in an atmospheric fractionation column. If a separate warm stripper column is used, both the warm stripped stream and a hot stripped stream may be fractionated in the same fractionation column, particularly a vacuum fractionation column. | 09-18-2014 |
| 20140262938 | PROCESS AND APPARATUS FOR RECOVERING AND BLENDING HYDROPROCESSED HYDROCARBONS AND COMPOSITION - A process and apparatus provides for blending a heavy naphtha stream with a diesel stream to increase the yield of diesel. The diesel stream is recovered separately from a kerosene stream to leave the kerosene stream undiminished. The blended diesel provides a valuable composition. | 09-18-2014 |
| 20140260419 | METHOD OF CONTROLLING SECONDARY CONDENSER DUTY - A portion of the overhead vapor from a distillation column is used to heat a process stream. The temperature and flow rate of the stream out of a heat exchanger are controlled so that the vapor is condensed. | 09-18-2014 |
| 20140257010 | ENERGY CONSERVATION IN HEAVY-HYDROCARBON DISTILLATION - An aromatics complex producing one or more xylene isomers offers a large number of opportunities to conserve energy by heat exchange within the complex. One previously unrecognized opportunity is through providing two parallel distillation columns operating at different pressures to separate C | 09-11-2014 |
| 20140255264 | METHODS AND APPARATUSES FOR PRODUCING AROMATIC HYDROCARBON-CONTAINING EFFLUENT - Embodiments of methods and apparatuses for producing an aromatic hydrocarbon-containing effluent are provided herein. The method comprises the step of rapidly heating a biomass-based feedstock to a first predetermined temperature of from about 300 to about 650° C. in the presence of a catalyst, hydrogen, and an organic solvent within a time period of about 20 minutes or less to form the aromatic hydrocarbon-containing effluent. The biomass-based feedstock comprises lignocellulosic material, lignin, or a combination thereof. | 09-11-2014 |
| 20140251868 | PROCESS AND APPARATUS FOR TREATING HYDROCARBON STREAMS - A process and apparatus are disclosed for treating a hydrocarbon stream, the process including flowing the hydrocarbon stream through a hydrocarbon treating vessel, heating a portion of the hydrocarbon treating vessel to a predetermined temperature and for a predetermined amount of time and controlling sensitization and chloride stress corrosion cracking of the portion of the interior surface of the hydrocarbon treating vessel. | 09-11-2014 |
| 20140250773 | AROMATIC HYDROCARBONS FROM DEPOLYMERIZATION AND DEOXYGENATION OF LIGNIN - Processes are disclosed that achieve a high conversion of lignin to aromatic hydrocarbons, and that may be carried out without the addition of a base. Depolymerization and deoxygenation, the desired lignin convention steps to yield aromatic hydrocarbons, are carried by contacting a mixture of lignin and a solvent (e.g., a lignin slurry) with hydrogen in the presence of a catalyst. A preferred solvent is a hydrogen transfer solvent such as a single-ring or fused-ring aromatic compound that beneficially facilitates depolymerization and hinders coke formation. These advantages result in favorable overall process economics for obtaining fuel components and/or chemicals from renewable sources. | 09-11-2014 |
| 20140249341 | COMBINED XYLENE ISOMERIZATION AND TRANSALKYLATION PROCESS UNIT - The xylene isomerization process unit and the transalkylation process units are combined in the present invention. A fractionation column can be shared by the two units, reducing the capital cost of the complex. In some embodiments, a split shell fractionation column and a split separator can be used. | 09-04-2014 |
| 20140249022 | REDUCED FLUIDIZATION OF SOLID PARTICLES IN RADIAL FLOW FLUID/SOLID CONTACTING - Apparatuses and methods are disclosed for contacting radially flowing fluids with solid particles (e.g., catalyst) with reduced tendency for fluidization of the particles, and especially a sealing portion of the particles at the top of a particle retention zone disposed between screens at upstream and downstream positions relative to radial fluid flow. Fluidization is reduced or eliminated by offsetting openings of the screens in the axial direction, such that upstream openings in the upstream screen are above highest downstream openings in a downstream stream. The offset in openings imparts a downward flow component to radially flowing fluid, thereby reducing solid particle fluidization without the need to induce a specific pressure drop profile along the entire axial direction of the screens. | 09-04-2014 |
| 20140248193 | COMBINED XYLENE ISOMERIZATION AND TRANSALKYLATION PROCESS UNIT - The xylene isomerization process unit and the transalkylation process units are combined in the present invention. A fractionation column can be shared by the two units, reducing the capital cost of the complex. In some embodiments, a split shell fractionation column and a split separator can be used. | 09-04-2014 |
