Class / Patent application number | Description | Number of patent applications / Date published |
422144000 | Including means to strip reaction mass from, or to regenerate, the particulate matter (including fluidized bed regenerators, per se) | 23 |
20080253937 | Stripping apparatus for the gas-solid separation process in a fluidized bed - A stripping apparatus is described for the gas-solid separation process in a fluidized bed in a counter-current flow of a stripping fluid. The apparatus includes sets of perforated baffle-plates with holes, fixed in series, alternating central and lateral plates inside a stripping chamber. The holes in the baffle-plates, in number, size and in circular or elliptical lay-out, are oriented in offset position in relation to the holes in the parallel and subsequent baffle-plates, reducing the damage of erosion on the perforated baffle-plates and optimizing stripping of the fluidized solid particles. | 10-16-2008 |
20080286164 | Particle Treatment in an Expanded Toroidal Bed Reactor - A method of processing a fluid and/or a particulate material, the method comprising the steps of: (a) introducing the particulate material into a chamber; (b) providing a flow of fluid into said chamber for entraining the particulate material; and (c) removing processed fluid and/or particulate material from the chamber; wherein the chamber comprises a processing zone having a substantially circular transverse cross-section, the fluid flow being introduced into the processing zone at an angle of between 10° and 75° with respect to a tangent of the substantially circular transverse cross-section of the processing zone to establish a fluid flow following a substantially helical path in the processing chamber. | 11-20-2008 |
20090035191 | Apparatus for Heating Regeneration Gas - Disclosed is an apparatus for combusting dry gas to heat the air fed to an FCC regenerator to increase its temperature and minimize production of undesirable combustion products. Preferably, the dry gas is a selected FCC product gas. Alternatively or additionally, dry gas from an FCC product stream is separated and delivered to an expander to recover power before combustion. | 02-05-2009 |
20100034710 | Residual Oil Coking Scheme - A coking process and apparatus may include cracking a hydrocarbon feed stream with a catalyst, generating a hot flue gas from regenerating said catalyst, directing the hot flue gas into a spray contactor, spraying a heavy residual oil into the spray contactor, and coking the heavy residual oil utilizing the hot flue gas as a heat source. The hydrocarbon feed stream and the heavy residual oil may each or both be generated by a solvent deasphalter. The coking process produces a solid coke product and volatile hydrocarbons which leave with the hot gas and may be burned in an oxidizer to generate steam with the pressure energy recovered by a turbo-expander. | 02-11-2010 |
20100074806 | Stripping Apparatus with Multi-Sloped Baffles - An apparatus for stripping gases from catalyst material comprises baffles having a second face that extends toward a downcomer channel between baffles to spread catalyst out on adjacent baffles for better contact with stripping gas. | 03-25-2010 |
20100143208 | DEVICE FOR PRODUCING A PRODUCT GAS FROM A FUEL, SUCH AS BIOMASS - A device for producing a product gas from a fuel, such as biomass, comprises a reactor which is delimited by a base and reactor walls. The reactor walls comprise a peripheral wall and an upper wall. The reactor comprises a supply opening for the supplying of biomass, as well as at least one riser for chemically converting the biomass supplied to a product gas and a solid. The riser is provided inside the peripheral wall and comprises an upper end and a tower end. The reactor furthermore has a discharge opening for discharging the product gas. The riser is attached to at least one reactor wall. The lower end of the riser is at a distance above at least one section of the base which is underneath it and is freely movable under the effect of thermal expansion. | 06-10-2010 |
20100150788 | Apparatus for Regenerating Catalyst - Disclosed is a catalyst distributor and process for spreading catalyst over a regenerator vessel. Nozzles disposed angular to a header of the distributor spread catalyst throughout a full cross section of the catalyst bed. | 06-17-2010 |
20100158766 | Processing of Different Feeds in a Fluid Catalytic Cracking Unit - An apparatus and method for processing different feeds in a fluid catalytic cracking unit are disclosed which result in improved yields of C | 06-24-2010 |
20100310431 | Integrated production of FCC-produced C2 and ethyl benzene - Processing schemes and arrangements are provided for obtaining ethylene and ethane via the catalytic cracking of a heavy hydrocarbon feedstock and converting the ethylene into ethyl benzene without separating the ethane from the feed stream. The disclosed processing schemes and arrangements advantageously eliminate any separation of ethylene from ethane produced by a FCC process prior to using the combined ethylene/ethane stream as a feed for an ethyl benzene process. Further, heat from the alkylation reactor is used for one of the strippers of the FCC process and at least one bottoms stream from alkylation process is used as an absorption solvent in the FCC process. | 12-09-2010 |
20100310432 | Integrated Production of FCC-Produced C3 and Cumene - Processing schemes and arrangements are provided for obtaining propylene and propane via the catalytic cracking of a heavy hydrocarbon feedstock and converting the propylene into cumene without separating the propane from the propane/propylene feed stream. The disclosed processing schemes and arrangements advantageously eliminate any separation of propylene from propane produced by a FCC process prior to using the combined propane/propane stream as a feed for a cumene alkylation process. A bottoms stream from the cumene column of the cumene alkylation process can be used and an absorption solvent in the FCC process thereby eliminating the need for a transalkylation reactor and a DIPB/TIPB column. | 12-09-2010 |
20110058989 | APPARATUS FOR CONTACTING HYDROCARBON FEED AND CATALYST - An apparatus for distributing a deflecting media into an axial center of a riser to push catalyst outwardly toward the feed injectors ensures better contacting between hydrocarbon feed and catalyst. | 03-10-2011 |
20110116978 | Fluidized Bed Reactor with Back-Mixing for Dehydrogenation of Light Paraffins - An improved process and system for the endothermic dehydrogenation of an alkane stream is described. The process and system of the present invention comprise a back-mixed fluidized bed reactor. The alkane stream is dehydrogenated in a single reactor stage by contacting the alkane stream with a back-mixed fluidized bed of catalyst. Deactivated catalyst is withdrawn from the back-mixed fluidized reactor and heated to produce hot regenerated catalyst. The hot regenerated catalyst is returned to the back-mixed fluidized bed reactor at a rate sufficient to maintain the back-mixed fluidized bed reactor at substantially isothermal conditions. | 05-19-2011 |
20110211996 | METHOD AND APPARATUS FOR REGENERATING AN IRON-BASED FISCHER-TROPSCH CATALYST - Solvent extraction is used to remove wax and contaminants from an iron-based Fischer-Tropsch catalyst in a natural circulation continuous-flow system. The wax-free catalyst is then subjected to controlled oxidation to convert the iron to its initial oxidized state, Fe | 09-01-2011 |
20130156650 | SYSTEMS AND METHODS FOR DISTRIBUTING PARTICULATE MATERIAL INTO A PARTICULATE VESSEL AND FCC UNITS INCLUDING THE SYSTEMS - A system for distributing particulate material into a particulate vessel includes a particulate material distributor for introducing the particulate material into the particulate vessel. The particulate material distributor includes a declined header that defines a plurality of orifices that are spaced along a length of the declined header for accommodating flow of particulate material from the declined header. The system also includes a vessel level controller for controlling a level of the particulate material in the particulate vessel. The vessel level controller controls flow of the particulate material through one or more of the orifices in the declined header through adjustment of the level of particulate material in the particulate vessel between the plurality of orifices in the declined header. A FCC unit including the system is also provided, along with a method for distributing particulate material into a particulate vessel using the system. | 06-20-2013 |
20130236367 | PRODUCTION OF POLYCRYSTALLINE SILICON IN SUBSTANTIALLY CLOSED-LOOP SYSTEMS - Production of polycrystalline silicon in a substantially closed-loop process is disclosed. The processes generally include decomposition of trichlorosilane produced from metallurgical grade silicon. | 09-12-2013 |
20130280138 | BAFFLES FOR IMPROVING RISER HYDRODYNAMICS - Fluid catalytic cracking units having risers with improved hydrodynamics through the use of baffles are described. The baffles break up the high concentration of catalyst in the slower moving outer annulus and redistribute it into the faster moving, more dilute center of the riser flow. | 10-24-2013 |
20140030154 | SYSTEM FOR CATALYTIC REACTION - A system includes a reactor-adsorber configured to receive a gas, a regenerator configured to receive a saturated CO | 01-30-2014 |
20150023842 | PROTECTED FISCHER-TROPSCH CATALYST AND METHOD OF PROVIDING SAME TO A FISCHER-TROPSCH PROCESS - A method of preparing a spray dried catalyst by combining spray dried catalyst particles with wax so the spray dried catalyst particles are coated with wax, yielding wax coated catalyst particles, and shaping the wax coated catalyst to provide shaped wax coated catalyst. A method of activating Fischer-Tropsch catalyst particles containing oxides by contacting the catalyst particles with a reducing gas in an activation vessel to produce an activated catalyst, wherein contacting is performed in the absence of a liquid medium under activation conditions. A system for activating a Fischer-Tropsch catalyst containing an activation reactor configured to introduce an activation gas to a fixed or fluidized bed of the Fischer-Tropsch catalyst in the absence of a liquid medium and at least one separation device configured to separate a gas stream comprising entrained catalyst fines having an average particle size below a desired cutoff size from the activation reactor. | 01-22-2015 |
20150306534 | ARRANGEMENTS FOR REMOVING ENTRAINED CATALYST PARTICULATES FROM A GAS - An arrangement for removing entrained catalyst particulates from a gas may include a pressure vessel, a filter assembly, and a dip leg. The pressure vessel may contain a fluidized bed of catalyst particulates suspended in the gas. Some of the gas and entrained catalyst particulates may be directed to the filter assembly where the entrained catalyst particulates are filtered from the gas by a filter medium. The catalyst particulates pass generally tangentially along a feed side of the filter medium, where they scour the feed side of the filter medium, and then pass into the dip tube which guides the catalyst particulates away from the filter medium. | 10-29-2015 |
20160030905 | SEALING SYSTEM FOR A FLUID CATALYST CRACKING REGENERATOR - A regenerator for an FCC apparatus. The regenerator includes a riser inside of a shell. The riser includes a cone and a cone skirt. An annulus is formed between the riser and the shell. A sealing system for keeping catalyst out of a portion of the annulus comprises a first sealing element and a second sealing element disposed above the second sealing element. The second sealing element comprises a ring having one or more plates being movable to accommodate the thermal expansion of the riser. | 02-04-2016 |
20160074825 | APPARATUSES AND METHODS FOR COOLING CATALYST - Apparatuses and methods for cooling catalyst are provided. In one embodiment, an apparatus for cooling catalyst includes a catalyst cooler vessel having a catalyst inlet for receiving catalyst. The apparatus includes a gas distributor lance positioned in the catalyst cooler vessel and having a gas outlet configured for injecting gas into the catalyst. The apparatus also includes a heat exchange tube positioned in the catalyst cooler vessel and having an outer surface. The heat exchange tube is configured to transfer heat from the catalyst to a heat exchange fluid. The apparatus further includes a hard surfacing material located on the outer surface of the heat exchange tube. | 03-17-2016 |
20160167005 | PROCESS AND APPARATUS FOR INDIRECT CATALYST HEATING IN A REGENERATOR | 06-16-2016 |
20160167006 | PROCESS AND APPARATUS FOR HEATING CATALYST IN A REGENERATOR | 06-16-2016 |