Entries |
Document | Title | Date |
20080230443 | METHOD AND APPARATUS FOR STEAM DEALKYLATION IN A PLANT FOR THE CATALYTIC SPLITTING OF HYDROCARBONS - A method and apparatus for treating a fraction consisting predominantly of hydrocarbons having at least six carbon atoms (C | 09-25-2008 |
20080277314 | Olefin production utilizing whole crude oil/condensate feedstock and hydrotreating - A method for thermally cracking a feed composed of whole crude oil and/or natural gas condensate using a vaporizer to vaporize the feed before cracking same, recovering pyrolysis gas oil from the cracked feed, subjecting the recovered pyrolysis gas oil to hydrotreating to form a hydrotreated product, and passing the hydrotreated product to the vaporizer as additional thermal cracking feed. | 11-13-2008 |
20090000986 | SYSTEM AND PROCESS FOR HYDROCRACKING - A method for hydrocracking a feedstream comprising liquid hydrocarbon by forming a dispersion comprising hydrogen-containing gas bubbles dispersed in the liquid hydrocarbon, wherein the bubbles have a mean diameter of less than about 5 μm, and introducing the dispersion into a hydrocracker comprising hydrocracking catalyst. A method for hydrocracking by subjecting a fluid mixture comprising hydrogen-containing gas and liquid hydrocarbons to a shear rate greater than 20,000 s | 01-01-2009 |
20090050526 | Process for Recycling an Active Slurry Catalyst Composition in Heavy Oil Upgrading - The instant invention is directed to a process employing slurry catalyst compositions in the upgrading of heavy oils. The slurry catalyst composition is not permitted to settle, which would result in possible deactivation. The slurry is recycled to an upgrading reactor for repeated use and products require no further separation procedures for catalyst removal. | 02-26-2009 |
20090134063 | DEVICE AND PROCESS FOR DISTRIBUTION OF MIXED CHARGES ONTO FIXED BEDS OF CATALYST IN DESCENDING-FLOW REACTORS - The present invention relates to a device and respective process for distribution of mixed charges comprising a flat tray in the form of a disc drained by a series of drainage tubes located above the surface of fixed beds of catalysts, capable of promoting the homogenisation and distribution of charges by means of said device. | 05-28-2009 |
20090134064 | REACTOR FOR USE IN UPGRADING HEAVY OIL - The instant invention relates to an upflow for upgrading heavy oil feed stock and a method for upgrading heavy oil feed stock employing an upflow reactor and with a slurry catalyst. In one embodiment, the upflow reactor is a liquid recirculating reactor, which is operated in manner corresponding to a dispersed bubble flow regime, which requires a high liquid to gas ratio. A dispersed bubble flow regime results in more even flow patterns, increasing the amount of liquid, i.e., heavy oil feed stock that can be upgraded in a single reactor. | 05-28-2009 |
20090308790 | HYDROGENATION CATALYST COMPOSITION, PROCESS FOR PREPARING THE SAME AND USE THEREOF - The present invention relates to a hydrogenation catalyst composition, process for preparing the same and use thereof. The composition comprises a hydrogenation catalyst, an organonitrogen compound in an amount of 0.01%-20% by weight of the catalyst, a sulfiding agent in an amount of 30%-150% by weight of the sulfur-requiring amount calculated theoretically of the hydrogenation catalyst, and an organic solvent in an amount of 0.1%-50% by weight of the catalyst. The preparation process comprises introducing the required substances onto the hydrogenation catalyst in oxidation state. By introduction of the organonitrogen compound, sulfur and organic solvent, the hydrogenation catalyst composition of the present invention may further increase the sulfur-maintaining ratio of the catalyst during the activation, slow down the concentrative exothermic phenomenon, decrease the rate of temperature rise of the catalyst bed layer, and improve the activity of the catalyst. The process of the present invention may be used for the treatment before the application of various hydrogenation catalysts. | 12-17-2009 |
20090321313 | Process for Determining Presence of Mesophase in Slurry Hydrocracking - A process and apparatus is disclosed for converting heavy hydrocarbon feed into lighter hydrocarbon products. The heavy hydrocarbon feed is slurried with a catalyst comprising iron oxide and alumina to form a heavy hydrocarbon slurry and hydrocracked to produce lighter hydrocarbons. The slurry hydrocracking reaction can be controlled by measuring the production of mesophase using X-ray diffraction. Upon a mesophase yield fraction reaching a predetermined level, reaction conditions should be moderated to avoid excessive coke production. | 12-31-2009 |
20100065476 | PROCESS FOR MEASURING AND ADJUSTING HALIDE IN A REACTOR - A process comprising: a) taking a sample from a continuous reactor process, b)measuring a content of a halide in the sample, and c) in response to the measured content of the halide, adjusting a flow of a halide containing additive comprising the halide to control the process. Also, an apparatus comprising: a) a reactor holding an ionic liquid catalyst and a reactant mixture, b) a means for measuring levels of a halide in an effluent from the reactor, and c) a control system that receives a signal in response to the measuring and communicates changes in an operating condition that influences the yield of a product in the reactant mixture. | 03-18-2010 |
20110000820 | CATALYST COMPOSITION WITH NANOMETER CRYSTALLITES FOR SLURRY HYDROCRACKING - A process and apparatus is disclosed for converting heavy hydrocarbon feed into lighter hydrocarbon products. The heavy hydrocarbon feed is slurried with a catalyst comprising iron oxide and alumina to form a heavy hydrocarbon slurry and hydrocracked to produce lighter hydrocarbons. The iron sulfide crystallites have diameters in the nanometer range. | 01-06-2011 |
20110017638 | Systems and Methods for Producing a Crude Product - A flexible once-through process for hydroprocessing heavy oil feedstock is disclosed. The process employs a plurality of contacting zones and at least a separation zone to convert at least a portion of the heavy oil feedstock to lower boiling hydrocarbons, forming upgraded products. The contacting zones operate under hydrocracking conditions, employing a slurry catalyst for upgrading the heavy oil feedstock. The plurality of contacting zones and separation zones are configured in a permutable fashion allowing the once-through process to be flexible operating in various modes: a sequential mode; a parallel mode; a combination of parallel and sequential mode; all online; some online and some on stand-by; some online and some off-line; a parallel mode with the effluent stream from the contacting zone being sent to at least a separation zone in series with the contacting zone; a parallel mode with the effluent stream from the contacting zone being combined with an effluent stream from at least another contacting zone and sent to the separation zone; and combinations thereof. | 01-27-2011 |
20110240522 | HYDROPROCESSING METHOD, OR AN APPARATUS RELATING THERETO - One exemplary embodiment can be a hydroprocessing method. The hydroprocessing method can include providing a feed and a stream including hydrogen to a vessel. The vessel may have a catalyst collector and an internal riser. Generally, a catalyst circulates within the vessel by at least partially rising within the internal riser. | 10-06-2011 |
20110308996 | METHODOLOGY TO DETERMINE FEED QUALITY (DI+RING AROMATIC CONTENT) OF FCC AND HYDROCRACKING FEEDS - A method of upgrading naphtha and diesel yields from fluid catalytic cracking and hydrocracking units by improving a feed quality of a petroleum feedstock, product or fraction mixture. The method of improving the feed quality of the petroleum feedstock, product or fraction mixture occurs by first determining the API Gravity of a petroleum feedstock, product or fraction mixture. A temperature at which about fifty percent of the petroleum feedstock, product or fraction boils (T | 12-22-2011 |
20120085680 | PROCESS FOR DETERMINING PRESENCE OF MESOPHASE IN SLURRY HYDROCRACKING - A process and apparatus is disclosed for converting heavy hydrocarbon feed into lighter hydrocarbon products. The heavy hydrocarbon feed is slurried with a catalyst comprising iron oxide and alumina to form a heavy hydrocarbon slurry and hydrocracked to produce lighter hydrocarbons. The slurry hydrocracking reaction can be controlled by measuring the production of mesophase using X-ray diffraction. Upon a mesophase yield fraction reaching a predetermined level, reaction conditions should be moderated to avoid excessive coke production. | 04-12-2012 |
20120152805 | Hydroprocessing Catalysts and Methods for Making Thereof - A method to upgrade heavy oil feedstock using an ebullated bed reactor and a novel catalyst system is provided. The ebullated bed reactor system includes two different catalyst with different characteristics: an expanded catalyst zone containing particulate catalyst having a particle size of greater than 0.65 mm; and a slurry catalyst having an average particle size ranging from 1 to 300 μm. The slurry catalyst is provided to the ebullated bed system containing the heavy oil feedstock, and entrained in the upflowing hydrocarbon liquid passing through the ebullated bed reaction zone. The slurry catalyst reduces the formation of sediment and coke precursors in the ebullating bed reactor system. The slurry catalyst is prepared from rework materials, which form a slurry catalyst in-situ upon mixing with the heavy oil feedstock. | 06-21-2012 |
20120152806 | Hydroprocessing Catalysts and Methods for Making Thereof - A method to upgrade heavy oil feedstock using an ebullated bed reactor and a novel catalyst system is provided. The ebullated bed reactor system includes two different catalyst with different characteristics: an expanded catalyst zone containing particulate catalyst having a particle size of greater than 0.65 mm; and a slurry catalyst having an average particle size ranging from 1 to 300 μm. The slurry catalyst is introduced to the ebullated bed system with the heavy oil feedstock, and entrained in the upflowing hydrocarbon liquid passing through the ebullated bed reaction zone. The slurry catalyst reduces the formation of sediment and coke precursors in the ebullating bed reactor system. The slurry catalyst is prepared from at least a water-soluble metal precursor and pre-sulfided prior to being introduced with the heavy oil feedstock to the reactor system, or sulfided in-situ in the ebullated bed reactor in another embodiment. | 06-21-2012 |
20130081978 | USE OF LOW BOILING POINT AROMATIC SOLVENT IN HYDROPROCESSING HEAVY HYDROCARBONS - This invention is directed to a process for producing a hydroprocessed product. The invention is particularly advantageous in that substantially less hydrogen is absorbed during the process relative to conventional hydroprocessing methods. This benefit is achieved by using a particular solvent as a co-feed component. In particular, the solvent component contains at least one single ring aromatic compound and has a relatively low boiling point range compared to the heavy hydrocarbon oil component used as another co-feed component. | 04-04-2013 |
20130081979 | USE OF SUPERCRITICAL FLUID IN HYDROPROCESSING HEAVY HYDROCARBONS - This invention is directed to a process for producing a hydroprocessed product. The invention is particularly advantageous in that substantially longer run length can be attained relative to conventional hydroprocessing methods. This benefit is achieved by using a particular solvent as a co-feed component. In particular, the solvent component is comprised of at least one or more supercritical solvent compounds. | 04-04-2013 |
20130092601 | DISTRIBUTOR PLATE FOR THE DISTRIBUTION OF A POLYPHASE MIXTURE WITH PERIPHERY-TRUNCATED SHAFTS - This invention relates to a plate that allows the distribution of a polyphase mixture in a reactor that operates in the trickle mode and that consists of at least one gaseous phase and at least one liquid phase, with the plate ( | 04-18-2013 |
20130126392 | SLURRY BED HYDROPROCESSING AND SYSTEM USING FEEDSTOCK CONTAINING DISSOLVED HYDROGEN - A system and process for conversion of heavy feedstocks in a slurry bed hydroprocessing reactor is provided in which (a) hydrogen gas is dissolved in the liquid feedstock by mixing and/or diffusion, (b) the mixture is flashed to remove and recover any light components and hydrogen, leaving a hydrogen-enriched feedstock. A homogenous and/or heterogeneous catalyst is added to the feedstock upstream of the inlet of the slurry bed hydroprocessing reactor. | 05-23-2013 |
20130220886 | CATALYTIC REACTOR WITH BOX DISTRIBUTION SYSTEM - The catalytic reactor consists of a chamber | 08-29-2013 |
20130313163 | PURGE/SAMPLING SYSTEM FOR A VESSEL, THE CORRESPONDING VESSEL AND CLEANING METHOD USING SAID PURGE/SAMPLING SYSTEM - The invention concerns a purge/sampling system for vessels, particularly for high temperature, high pressure vessels such as hydroconversion reactors used in refinery processes and operated in severe conditions. | 11-28-2013 |
20130341245 | Methods and Systems for Upgrading Hydrocarbon Residuum - A hydrocarbon upgrading method is described. The method can generally include a step of providing a nozzle reactor, a step of injecting hydrocarbon residuum into the feed passage of the nozzle reactor, and a step of injecting a cracking material into the main passage of the nozzle reactor, and a step of collecting a product stream exiting the exit opening of the main passage of the nozzle reactor. The hydrocarbon residuum used in the method can be obtained from a hydroconversion-type upgrader, such as an ebullating bed hydrocracker. | 12-26-2013 |
20140027347 | DUAL STRIPPER COLUMN APPARATUS AND METHODS OF OPERATION - Dual stripper column arrangements are described in which hot flash drum liquid is sent to one column and cold flash drum liquid is sent to a second column. Methods of operating the dual stripper column apparatus are also described. | 01-30-2014 |
20140097125 | FILTERING DISTRIBUTOR PLATE FOR SUPPLYING A FIXED BED REACTOR HAVING A CO-CURRENT DOWNFLOW OF GAS AND LIQUID FOR THE TREATMENT OF HEAVY CLOGGING FEEDS - The present invention describes a distributor plate adapted to co-current downflow flows of gas and of liquid, more particularly in the “trickle” mode, said distributor plate integrating a filtration function separate from the distribution function. | 04-10-2014 |
20140174984 | HYDROCARBON CONVERSION APPARATUS INCLUDING FLUID BED REACTION VESSEL AND RELATED PROCESSES - Embodiments of a hydrocarbon conversion apparatus are provided, as are embodiments of a hydroprocessing conversion process. In one embodiment, the hydrocarbon conversion apparatus includes a reaction vessel having a reaction chamber and a feed distribution chamber. A riser fluidly couples the feed distribution chamber to the reaction chamber, and a catalyst recirculation standpipe fluidly couples the reaction chamber to the feed distribution chamber. The catalyst recirculation standpipe forms a catalyst recirculation circuit with the reaction chamber, the feed distribution chamber, and the riser. A catalyst is circulated through the catalyst recirculation circuit during operation of the hydrocarbon conversion apparatus. | 06-26-2014 |
20140209509 | SYSTEM AND PROCESS FOR HYDROCRACKING AND HYDROGENATION - Herein disclosed is a method for hydrogenation comprising: supersaturating a hydrocarbonaceous liquid or slurry stream in a high shear device with a gas stream comprising hydrogen and optionally one or more C1-C6 hydrocarbons to form a supersaturated dispersion; and introducing the supersaturated dispersion into a reactor in the presence of a hydrogenation catalyst to generate a product stream. In some embodiments, the catalyst is present as a slurry or a fluidized or fixed bed of catalyst. In some embodiments, the hydrogenation catalyst is mixed with the hydrocarbonaceous liquid or slurry stream and the gas stream in the high shear device. In some embodiments, the method further comprises recycling at least a portion of an off gas from the reactor, recycling at least a portion of the product stream from the reactor, or both. Also disclosed herein is a system for hydrogenation. | 07-31-2014 |
20140231308 | MIXING DEVICE WITH TANGENTIAL INLETS FOR TWO-PHASE CONCURRENT VESSELS - A mixing device for mixing concurrently-flowing streams of vapor and liquid in a vessel contains flow baffles forming a tangential inlet orifice through which the liquid and vapor streams flow at high flow velocity and in a tangential direction into a swirl box. The high momentum of the streams in the inlet orifice, the tangential direction of the streams, and the large distance between the inlet orifice and the vessel centerline, result in a violent swirling flow and a large number of fluid rotations in the swirl box, thereby thoroughly mixing the streams entering through the inlet orifice. A mixed stream of vapor and liquid exits the mixing device through an outlet opening in the bottom of the mixing device. An impingement plate located below the outlet opening spreads the liquid and decreases the velocity of the mixed stream. The temperature and chemical composition of the mixed stream are equilibrated. | 08-21-2014 |
20140346086 | DISTRIBUTOR DEVICE FOR A MULTIPLE-BED DOWNFLOW REACTOR - The invention relates to a device and method for distributing a liquid and gas in a multiple-bed downflow reactor, such as a hydrocarbon processing reactor, like a hydrocracker. The device comprises respectively the method uses a distributor device comprising a substantially horizontal collecting tray provided with a central gas passage. Gas passing in downward direction through the central gas passage is forced into a swirling motion by a swirler. This swirling motion has a swirl direction around a vertical swirl axis so that the gas leaves the central gas passage as a swirl. At a location above the collecting tray, a quench fluid is ejected into gas in an ejection direction, which is, viewed in a horizontal plane, at least partly opposite to the swirl direction. | 11-27-2014 |
20140360919 | FLUID DISTRIBUTION DEVICE - The invention concerns a fluid distribution device ( | 12-11-2014 |
20140374316 | DISTRIBUTOR DEVICE FOR A MULTIPLE-BED DOWNFLOW REACTOR - The invention relates to a device and method for distributing a liquid and gas in a multiple-bed downflow reactor, such as a hydrocarbon processing reactor, like a hydrocracker. The device comprises respectively the method uses a distributor device comprising a substantially horizontal collecting tray provided with a central gas passage. Gas passing in downward direction through the central gas passage is forced into a swirling motion by a swirler. This swirling motion has a swirl direction around a vertical swirl axis so that the gas leaves the central gas passage as a swirl. At a location below the collecting tray, liquid collected on the collecting tray is injected into the swirl in an injection direction, which is, viewed in a horizontal plane, at least partly opposite to the swirl direction. | 12-25-2014 |
20150344790 | Pyrolysis Tar Upgrading Process - A process for upgrading pyrolysis tar to higher value products. More particularly, this invention relates to the upgrading of steam cracker tar using relatively small amounts of a transition metal sulfide-containing particulate catalyst dispersed throughout the tar chargestock and in the presence of hydrogen, at relatively mild hydroconversion conditions. | 12-03-2015 |
20150376512 | METHOD AND APPARATUS FOR UPGRADING HEAVY OIL - A method and apparatus for upgrading heavy oil is described, having a symbiotic relationship between a cracking reactor vessel and a steam reformer vessel. A first portion of an uncracked residue oil stream from the cracking reactor vessel is passed through a heat exchanger positioned within the steam reformer vessel and back to the cracking reactor vessel, such that a heat exchange takes place which heats the uncracked residue oil stream to promote cracking. A second portion of the uncracked residue oil stream from the cracking reactor vessel is injected directly into the steam reformer vessel. That portion of the uncracked residue oil stream not vaporized in the steam reformer vessel is converted into coke which becomes deposited in a fluidized bed of the steam reformer vessel. The fluidized bed activates steam which reacts with the coke to generate hydrogen. Hydrogen from the steam reformer vessel is directed into the cracking reactor vessel to assist with cracking. | 12-31-2015 |
20160068760 | PROCESS FOR TREATING A HYDROCARBON-BASED HEAVY RESIDUE - The process for treating a hydrocarbon-based heavy residue ( | 03-10-2016 |
20160136603 | METHODS AND APPARATUS FOR THREE PHASE CONTACTING AND REACTIONS IN A CROSS FLOW REACTOR - Methods, apparatus and processes for three phase contacting and reactions in a cross flow reactor with reduced feed vaporization, low pressure operation, higher liquid holdup, lower reactor pressure drop, low severity operation, and reduced product inhibitory effects. A cross flow reactor for three phase catalytic hydroprocessing, having at least one reactor stage is disclosed. The reactor stage has a central gas distributor with perforated lateral surface for distributing gas, a middle region accommodating a packed catalyst bed, and an outer gas space for removal of effluent gases from the middle region. The middle region receives a liquid reactant and gas from central gas distributor to carry out three phase catalytic hydroprocessing reaction. | 05-19-2016 |