Class / Patent application number | Description | Number of patent applications / Date published |
422140000 | With liquid present | 34 |
20080213137 | SYSTEM AND METHOD FOR SEPARATING BIOMASS FROM MEDIA IN A FLUIDIZED BED REACTOR - A system is provided for separating biomass from media in a fluidized bed reactor containing an aqueous suspension of biomass and media. A lift, configured to extend within the reactor, has an inlet for receiving aqueous suspension and an outlet spaced from the inlet for delivering the aqueous suspension from the lift. A shield is disposed about the lift. The system further includes a biomass separator body, including an inner member disposed about the shield and an outer member. Three annular passageways are defined between the lift, the shield, the inner member, and the outer member, and are positioned to receive aqueous suspension from each other. A barrier extends between the inner member and the outer member at an end portion of the third annular passageway. The barrier of the biomass separator body is configured to direct biomass from the third annular passageway toward an excess biomass discharge. | 09-04-2008 |
20090004068 | System and method for limiting backflow in a biological fluidized bed reactor - A fluidized bed reactor configured for reduced backflow of fluid is provided. The fluidized bed reactor comprises a vessel configured to contain a level of fluid, a feed conduit positioned to deliver feed into the vessel from an elevation above the level of fluid and a vacuum relief valve coupled to said feed conduit to introduce gas into the feed conduit. | 01-01-2009 |
20090022632 | Rotary Fluidized Bed Device and Method for Using Said Device - The present invention relates to a device with a rotating fluidized bed in one or a succession of cylindrical chambers, in which injectors ( | 01-22-2009 |
20090087351 | APPARATUS FOR DEPOSITING FLUIDS IN A SOLIDS FLOW OF A SPOUTED BED APPARATUS - An apparatus for introducing fluids into a solids flow of a spouted bed apparatus is provided. The apparatus includes a spray nozzle which opens into a reaction space of the spouted bed apparatus. A lower region of the reaction space is provided with a rectangular cross section for the spouted bed apparatus and is limited in an axial direction by at least one inclined stream return flow wall and an oppositely inclined stream inlet wall with the formation of an axial gap through the reaction space for supplying inlet air. At least one nozzle is also provided for introducing fluid above the gap opens into the reaction space. | 04-02-2009 |
20090252658 | Loading/Unloading of Particulates to/from Microchannel Reactors - The invention providing methods of loading and unloading particulate from microchannels in apparatus that contains multiple microchannels, typically apparatus that is designed to operate with hundreds or thousands of particulate-containing microchannels. Aligning a sonicating head at one end of a set of microchannels provides a particularly effective mode for densifying particulate in microchannels. | 10-08-2009 |
20100003169 | PHOTOCATALYTIC REACTOR - A photocatalytic reactor for carrying out a photocatalytic reaction on a liquid which is to be treated, the reactor comprising a reaction chamber which comprises: (i) a foraminated member which supports a plurality of mobile photocatalyst particles, the size and density of which is such that they tend to rest on the foraminated member in use; and (ii) an aeration device which causes gas bubbles to rise from the foraminated member and agitate the mobile photocatalyst particles. The reactor may be a flow-through reactor. The photocatalytic reactor can be applied to the remediation of waste water using titanium oxide. | 01-07-2010 |
20100034708 | Hydrocarbon Conversion Process - A process is provided to produce high cetane quality and low or preferably ultra low sulfur diesel and a fluid catalytic cracker (FCC) quality feedstock from a processing unit including at least a hydrotreating zone and a hydrocracking zone. In one aspect, the processing unit includes reactor severity requirements in both the hydrotreating zone and the hydrocracking zone effective to produce the FCC feed quality and the diesel sulfur quality to permit a high quality hydrocracked product to be formed at lower pressures and conversion rates without overtreating the FCC quality feedstock stream. In another aspect, a portion of the hydrotreated effluent is selected for conversion in the hydrocracking and the remaining portion of the hydrotreated effluent is directed to subsequent processing, such as fluid catalytic cracking. | 02-11-2010 |
20100040510 | METHOD FOR CONVERTING BIOMASS INTO SYNTHESIS GAS USING A PRESSURIZED MULTI-STAGE PROGRESSIVELY EXPANDING FLUIDIZED BED GASIFIER FOLLOWED BY AN OXYBLOWN AUTOTHERMAL REFORMER TO REDUCE METHANE AND TARS - The invention provides systems and methods for converting biomass into syngas using a pressurized multi-stage progressively expanding fluidized bed gasifier to eliminate or reduce the formation of methane, volatiles such as BTX, and tars. The gasifier may include a reactive stage that may receive a biomass feed through a feed line and oxygen through an oxygen feed line. The gasifier may also include a fluidized bed section that may be configured to receive the reaction products from the first stage, mix them and perform fluidized bed activity. A gasifier may also have a disengagement section that may be configured to separate fluidized media and particulate matter from syngas product. A gasification system may also include oxyblown catalytic autothermal reactor and a cryogenic air separation unit. | 02-18-2010 |
20100172806 | System and Apparatus for Ionic Liquid Catalyst Regeneration - Disclosed are a system and an apparatus for regenerating an ionic liquid catalyst, which has been deactivated by conjunct polymers during any type of reaction producing conjunct polymers as a by-product, for example, isoparaffin-olefin alkylation. The system and apparatus are designed such that solvent extraction of conjunct polymers, freed from the ionic liquid catalyst through its reaction with aluminum metal, occurs as soon as the conjunct polymers de-bond from the ionic liquid catalyst. | 07-08-2010 |
20100202933 | SYSTEMS AND METHODS FOR ESTERIFICATION AND TRANSESTERIFICATION OF FATS AND OILS - Esterification and transesterification of fats and oils is conducted using one or more heterogeneous solid catalysts in the presence of an alcohol and a cosolvent. In one example, esterification of free fatty acids in fats and oils feedstock is conducted by contacting the feedstock with a solid catalyst having acidic groups. Transesterification of triglycerides in the feedstock is conducted by contacting the feedstock with a solid catalyst having basic groups. Single train continuous plant designs are described for near complete conversion of fats and oils by sequentially contacting the feedstock with heterogeneous acidic solid catalyst and basic solid catalyst. | 08-12-2010 |
20100247392 | BUBBLE COLUMN TYPE HYDROCARBON SYNTHESIS REACATOR, AND HYDROCARBON SYNTHESIS REACTION SYSTEM HAVING THE SAME - There is provided a bubble column type hydrocarbon synthesis reactor which synthesizes a hydrocarbon compound by a chemical reaction of a synthesis gas including hydrogen and carbon monoxide as main components, and a slurry having solid catalyst particles suspended in liquid. The hydrocarbon synthesis reactor includes a reactor main body which accommodates the slurry, a synthesis gas supplying section which supplies the synthesis gas to the slurry, and an introducing portion which introduces a cooling fluid having a lower temperature than the slurry into the reactor main body. | 09-30-2010 |
20100278699 | Apparatus for ionic liquid catalyst regeneration - An apparatus for regenerating an ionic liquid catalyst comprising a reactive extraction column, the reactive extraction column comprising:
| 11-04-2010 |
20100329935 | Apparatus for Separating Pitch from Slurry Hydrocracked Vacuum Gas Oil - An apparatus is disclosed for converting heavy hydrocarbon feed into lighter hydrocarbon products. The heavy hydrocarbon feed is slurried with a particulate solid material to form a heavy hydrocarbon slurry and hydrocracked in a slurry hydrocracking unit to produce vacuum gas oil (VGO) and pitch. A first vacuum column separates VGO from pitch, and a second vacuum column further separates VGO from pitch. As much as 15 wt-% of VGO can be recovered by the second vacuum column and recycled to the slurry hydrocracking unit. A pitch composition is obtained which can be made into particles and transported without sticking together. | 12-30-2010 |
20100329936 | APPARATUS FOR INTEGRATING SLURRY HYDROCRACKING AND DEASPHALTING - Solvent deasphalting (SDA) is used to prepare a heavy hydrocarbon feed for further upgrading. An overhead deasphalted oil (DAO) stream is prepared for catalytic upgrading and an asphaltene stream is prepared for slurry hydrocracking (SHC). SHC product can be further deasphalted and the DAO can be separated from solvent in an upstream extraction column. | 12-30-2010 |
20110104014 | CIRCULATING FLUIDIZED BED GASIFICATION FURNACE - A circulating fluidized bed gasification furnace has a combustion furnace | 05-05-2011 |
20110165029 | SLURRY BED LOOP REACTOR AND USE THEREOF - The present invention relates to a slurry bed loop reactor comprising a riser and at least one downcomer ( | 07-07-2011 |
20110311402 | METHOD OF OPERATING A THREE-PHASE SLURRY REACTOR - A method of operating a three-phase slurry reactor includes feeding at a low level at least one gaseous reactant into a vertically extending slurry body of solid particles suspended in a suspension liquid, the slurry body being contained in a plurality of vertically extending horizontally spaced slurry channels inside a common reactor shell, the slurry channels being defined between vertically extending horizontally spaced divider walls or plates and each slurry channel having a height, width and breadth such that the height and breadth are much larger than the width. The gaseous reactant is allowed to react as it passes upwardly through the slurry body present in the slurry channels, thereby to form non-gaseous and/or gaseous product. Gaseous product and/or unreacted gaseous reactant is allowed to disengage from the slurry body in a head space above the slurry body. | 12-22-2011 |
20120063961 | FLUID INJECTION NOZZLE FOR FLUID BED REACTORS - The liquid feed nozzle assemblies for a circulating fluid bed reactor comprise (i) a throttle body premixer to combine liquid feed with atomization steam upstream of a nozzle body to form a liquid feed/steam mixture comprising liquid feed droplets; (ii) a conduit connected to the venturi premixer and to a discharge nozzle body to convey a flow of the liquid/steam mixture created by the premixer to the nozzle body; (iii) a discharge nozzle connected to the flow conduit to shear the liquid feed/steam mixture to create liquid feed droplets of reduced size and (iv) a disperser at the outlet of the discharge nozzle to provide a spray jet of liquid feed having an increased surface area relative to a cylindrical jet. The nozzle assembles are particularly useful in fluid coking units using heavy oil feeds such a tar sands bitumen. | 03-15-2012 |
20130084219 | FCC REACTOR AND RISER DESIGN FOR SHORT CONTACT-TIME CATALYTIC CRACKING OF HYDROCARBONS - The present invention is an improved design and operation of a short contact time Fluid Catalytic Cracking (FCC) Reactor wherein the upper internal riser and a lower internal riser are in fluid connection with one another and provide an improved disengaging zone for entraining the vapors from the dilute phase area of the FCC reactor. Detailed preferred embodiments include improvements over the prior art to the internal central riser, riser termination apparatus, cyclone separators, and a coke mitigation baffle system, as well as associated improved fluid catalytic cracking processes utilizing the novel reactor design. | 04-04-2013 |
20140093433 | SYSTEMS FOR HYDROPROCESSING HEAVY OIL - A hydroprocessing system involves introducing heavy oil and in situ formed metal sulfide catalyst particles, or a catalyst precursor capable of forming metal sulfide catalyst particles in situ within the heavy oil, into a hydroprocessing reactor. The metal sulfide catalyst particles are formed in situ by 1) premixing a catalyst precursor with a hydrocarbon diluent to form a precursor mixture, 2) mixing the precursor mixture with heavy oil to form a conditioned feedstock, and 3) heating the conditioned feedstock to decompose the catalyst precursor and cause or allow metal from the precursor to react with sulfur in the heavy oil to form the metal sulfide catalyst particles in situ in the heavy oil. The in situ formed metal sulfide catalyst particles catalyze beneficial upgrading reactions between the heavy oil and hydrogen and eliminates or reduces formation of coke precursors and sediment. | 04-03-2014 |
20140134058 | APPARATUS FOR FLUID CATALYTIC CRACKING OLIGOMERATE - Distillate cracks to propylene more readily than VGO. Additionally, less branched hydrocarbons crack to propylene more readily than more branched hydrocarbons. Oligomerization to diesel range oligomers followed by catalytic cracking with less branched oligomers can provide more propylene. | 05-15-2014 |
20140178257 | SLURRY HYDROCRACKING APPARATUS OR PROCESS - One exemplary embodiment can include a slurry hydrocracking process. The process can include combining one or more hydrocarbons and a slurry hydrocracking catalyst as a feed to a slurry hydrocracking reaction zone, fractionating an effluent from the slurry hydrocracking reaction zone, separating the pitch from at least a portion of the slurry hydrocracking catalyst, and recycling the suspension to the slurry hydrocracking reaction zone. The slurry hydrocracking catalyst may include a support. Fractionating the effluent may provide a light vacuum gas oil, a heavy vacuum gas oil, and a mixture comprising a pitch and the slurry hydrocracking catalyst. Generally, the separated slurry hydrocracking catalyst is comprised in a suspension. | 06-26-2014 |
20140219877 | DEVICE WITH SEVERAL REACTION CHAMBERS FOR IMPLEMENTING LIQUID/SOLID OXIDATION-REDUCTION REACTIONS IN A FLUIDIZED BED - Disclosed is a device for carrying out liquid/solid oxidation-reduction reactions in a fluidized bed including a reactor body extending along a longitudinal axis, means for injecting a solution to be processed via a first end of the reactor body along the longitudinal axis, means for performing feeding of a reactive metal via a second end of the reactor body opposite the first end along the longitudinal axis, means for stirring the solution in the reactor body, and a finishing compartment mounted at the second end of the reactor body and connected to means for expelling the processed solution. The reactor body includes two distinct reaction chambers, each reaction chamber having a constant cross-section perpendicularly to the longitudinal axis, said cross-sections of the two reaction chambers being different and increasing from the first end to the second end. | 08-07-2014 |
20140271379 | RECOVERING A CAUSTIC SOLUTION VIA CALCIUM CARBONATE CRYSTAL AGGREGATES - Techniques for converting a portion of a carbonate to hydroxide include receiving an alkaline carbonate solution that includes between 0.1M (moles per liter of solution) to 4.0M hydroxide and between 0.1M to 4.1M carbonate; reacting, in a slaking process, quicklime (CaO) and a low carbonate content fluid to yield a slurry of primarily slaked lime (Ca(OH) | 09-18-2014 |
20140341784 | INTEGRATED FCC BIOMASS PYROLYSIS/UPGRADING - Integrating a biomass pyrolysis and upgrading process into a fluid catalytic cracking unit. The process uses conventional FCC feed and a mixture of a solvent and biomass to produce upgraded fuel products. A slurry stream composed of solid biomass particles and a solvent is fed into an FCC riser through a slurry pump to achieve biomass pyrolysis and in situ pyrolysis oil upgrading. The catalytic cracking of the conventional petroleum feed also occurs in the riser. | 11-20-2014 |
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 |
20150064070 | CATALYST FILLING APPARATUS OF BUBBLE COLUMN SLURRY BED REACTOR AND CATALYST FILLING METHOD OF BUBBLE COLUMN SLURRY BED REACTOR - A catalyst filling apparatus is for a bubble column slurry bed reactor for the FT synthesis reaction. The apparatus includes: a slurry preparation tank installed adjacent to the reactor and configured to prepare a slurry S from a FT synthesis reaction catalyst and a slurry preparation oil; an upper part communication line configured to direct the slurry from the reactor to the slurry preparation tank; a lower part communication line configured to direct the slurry in the slurry preparation tank to the reactor; and a pressure equalizing line configured to communicate the reactor with the slurry preparation tank. The upper part communication line is downwardly inclined from the reactor toward the slurry preparation tank, and the lower part communication line is upwardly inclined from the reactor toward the slurry preparation tank. An inert gas introduction device is provided on the slurry preparation tank. | 03-05-2015 |
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 |
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 |
20160038899 | 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 msec to about 10 msec and through a second section of the riser at a second velocity of more than about 15 msec. 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 msec and 10 msec. | 02-11-2016 |
20160060541 | FLUID INJECTION NOZZLE FOR FLUID BED REACTORS - The liquid feed nozzle assemblies for a circulating fluid bed reactor comprise (i) a throttle body premixer to combine liquid feed with atomization steam to form a liquid feed/steam mixture comprising gas bubbles in liquid; (ii) a conduit connected to the premixer and to a discharge nozzle to convey a flow of the liquid/steam mixture created by the premixer to the nozzle body; (iii) a discharge nozzle connected to the flow conduit to shear the liquid feed/steam mixture to create liquid feed droplets of reduced size and (iv) a disperser at the outlet of the discharge nozzle to provide a spray jet of liquid feed having an increased surface area relative to a cylindrical jet. The nozzle assembles are particularly useful in fluid coking units using heavy oil feeds such a tar sands bitumen. | 03-03-2016 |
20160101397 | CATALYTIC CRACKING PROCESS FOR THE TREATMENT OF A FRACTION HAVING A LOW CONRADSON CARBON RESIDUE - Process for the fluidized-bed catalytic cracking of a weakly coking feedstock having a Conradson carbon residue equal to or less than 0.1% by weight and a hydrogen content equal to or greater than 12.7% by weight, comprising at least a step of cracking the feedstock, a step of separating/stripping the effluents from the coked catalyst particles and a step of regenerating said particles, the process being characterized in that at least one coking, carbonaceous and/or hydrocarbonaceous effluent having a content of aromatic compounds of greater than 50% by weight, comprising more than 20% by weight of polyaromatic compounds, is recycled to homogeneously distributed and weakly coked catalyst, before regeneration, in order to adjust the delta coke of the process. | 04-14-2016 |
20160158722 | FLUID INJECTION NOZZLE FOR FLUID BED REACTORS - A feed injector for a circulating fluid bed reactor is fitted with a discharge nozzle with a circular, radially notched discharge orifice to improve the surface-to-volume ratio of the spray pattern formed by the nozzle. The feed injector is useful for injecting fluids into various types of circulating fluid bed reactors in which good contact between the components of the fluidized bed and the injected fluid is required. It is particularly useful in fluid coking reactors. | 06-09-2016 |
20160175798 | PROCESS AND APPARATUS FOR IMPROVING LIGHT OLEFIN YIELD FROM A FLUID CATALYTIC CRACKING PROCESS | 06-23-2016 |