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| Number | Title | Issue Date |
| 8435401 | Fluidized catalytic cracker with active stripper and methods using same A staged fluidized catalytic cracker and method for cracking a hydrocarbonaceous material includes a plurality of staged reactors that have catalyst particles flowing in series from one reactor to the next and hydrocarbon feed that is delivered in parallel to the re... | 05/07/2013 |
| 8414763 | Process for recovering FCC product A process is disclosed for recovering product from catalytically converted product streams. Gaseous unstabilized naphtha from an overhead receiver from a main fractionation column is compressed in a compressor. Liquid unstabilized naphtha from the overhead receiver ... | 04/09/2013 |
| 8354018 | Process for recovering products from two reactors A process is disclosed for catalytically converting two feed streams. The feed to a first catalytic reactor may be contacted with product from a second catalytic reactor to effect heat exchange between the two streams and to transfer catalyst from the product stream... | 01/15/2013 |
| 8349170 | 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... | 01/08/2013 |
| 8343335 | Production of shaped silica bodies In a method of forming a shaped body, a mixture is formed comprising a particulate silica-rich material, water and a potassium base or basic salt, wherein the total solids content of the mixture is from about 20 to about 90 weight percent. The mixture is extruded in... | 01/01/2013 |
| 8323477 | Process for mixing regenerated and carbonized catalyst A process for mixing regenerated and carbonized catalyst involves obstructing upward flow of catalyst by one or more baffles between a catalyst inlet and a feed distributor. Each catalyst stream may be passed to opposite sides of a riser. Baffles obstruct upward flo... | 12/04/2012 |
| 8262902 | Magnetic removal of material from a mixture based on sulfided diluent in the mixture Methods and apparatus relate to processing of petroleum with a bed having a sorbent based diluent that the petroleum contacts upon passing through the bed. Magnetic properties of the sorbent and any other material, such as zeolite, used in the bed enable separation ... | 09/11/2012 |
| 8226818 | FCC process with spent catalyst recycle Disclosed is an FCC apparatus and process in which coked catalyst is recycled to the base of the riser to contact fresh feed through a passage disposed within the riser. ... | 07/24/2012 |
| 8202412 | Reduced elevation catalyst return line for a fluid catalytic cracking unit The present invention is an improved regenerated catalyst bend assembly for a fluid catalytic cracking unit. In a preferred embodiment, the reduced elevation (“RE-bend” or “REL-bend”) regenerated catalyst return line assembly of the present invention has an ... | 06/19/2012 |
| 8192614 | Self-stripping FCC riser cyclone Apparatus and method are provided for separating and stripping suspensions comprising catalyst particles transported in vapors from the fluid catalytic cracking riser/reactor. Particles are disentrained from vapor in a vortex zone 112 of the primary cyclonic ... | 06/05/2012 |
| 8128806 | Process and equipment for fluid catalytic cracking for the production of middle distillates of low aromaticity The present invention relates to a process and equipment for fluid catalytic cracking for the production of middle distillates of low aromaticity that comprises cracking a mixed feed consisting of heavy fractions of hydrocarbons, in the absence of added hydrogen and... | 03/06/2012 |
| 8128807 | FCC separator without a reactor This invention is directed to a process for fluid catalytic cracking, including, fluidizing a hydrocarbon stream in a riser, cracking the hydrocarbon stream with catalyst in the riser to produce a cracked stream and spent catalyst, separating the cracked stream and ... | 03/06/2012 |
| 8114272 | Method for treating refinery waste streams in a fluid catalytic cracking unit and an improved catalytic cracking unit for processing refinery waste streams A method of processing the waste stream includes introducing the waste stream into the Fluid Catalytic Cracking Unit such that waste stream is processed within the regenerator unit or in CO boiler unit such that the waste stream and the regenerator flue gas are burn... | 02/14/2012 |
| 8110092 | Process for recovering power from FCC product Disclosed is a process for recovery power from an FCC product. Gaseous hydrocarbon product from an FCC reactor is heat exchanged with a heat exchange media which is delivered to an expander to generate power. Cycle oil from product fractionation may be added to the ... | 02/07/2012 |
| 8066868 | Fluid catalytic cracking to produce and recover light olefins Processing schemes and arrangements are provided for the processing a heavy hydrocarbon feedstock via fluidized catalytic cracking with selected hydrocarbon fractions including light olefins being obtained via absorption and separation product recovery. ... | 11/29/2011 |
| 8062506 | Process for contacting high contaminated feedstocks with catalyst in an FCC unit An FCC process comprising an enlarged riser section and a distributor in an elevated position and with an opening in its tip away from riser walls may reduce coke build-up along the interior walls of a riser. Catalytic mixing may be improved, which could reduce rise... | 11/22/2011 |
| 8025792 | Spray nozzles A spray nozzle for discharging at least one fluid in a spray pattern into a fluid stream in a vessel, such as an atomized mixture of oil and steam in a fluidic catalytic cracking unit, wherein the nozzle alters the flow patterns of the fluid stream in the vicinity o... | 09/27/2011 |
| 7988847 | Nozzle reactor and method of use Embodiments of a nozzle reactor of the type useable to inject a first material feed stock and a second material feed stock to cause interaction between the first material feed stock and second material feed stock are described herein. According to one embodiment, th... | 08/02/2011 |
| 7935245 | System and method of increasing synthesis gas yield in a fluid catalytic cracking unit Systems and methods of reducing refinery carbon dioxide emissions by improving the overall synthesis gas yield in a fluid catalytic cracking unit having a reactor and a regenerator are discussed. In one example, a method comprises introducing spent catalyst and a fe... | 05/03/2011 |
| 7914666 | Low NOFCC catalyst regeneration process An FCC process producing lower NOx emissions during regeneration by using excess oxygen levels at less than or equal to about 0.5 mol-% and a plenum temperature above about 730° C. (about 1350° F.). The process may further include limiting the Pt content in the ca... | 03/29/2011 |
| 7909986 | Reduction of gas phase reduced nitrogen species in partial burn FCC processes Reduced emissions of gas phase reduced nitrogen species in the off gas of an FCC regenerator operated in a partial or incomplete mode of combustion is achieved by contacting the off gas with an oxidative catalyst/additive composition having the ability to reduce gas... | 03/22/2011 |
| 7906015 | Reduction of gas phase reduced nitrogen species in partial burn FCC processes Reduced emissions of gas phase reduced nitrogen species in the off gas of an FCC regenerator operated in a partial or incomplete mode of combustion is achieved by contacting the off gas with an oxidative catalyst/additive composition having the ability to reduce gas... | 03/15/2011 |
| 7811446 | Method of recovering energy from a fluid catalytic cracking unit for overall carbon dioxide reduction In at least one embodiment of the present invention, a method of recovering energy from a FCC unit having a reactor and a regenerator for overall CO2 reduction is provided. The method comprises cooling syngas to a predetermined low temperature to define c... | 10/12/2010 |
| 7807045 | Layered composition and processes for preparing and using the composition A layered composition which can be used in various processes has been developed. The composition comprises an inner core such as a cordierite core and an outer layer comprising a refractory inorganic oxide, a fibrous component and an inorganic binder. The refractory... | 10/05/2010 |
| 7803266 | Doped spherically-shaped supported catalyst and process for hydrotreating and hydroconverting metal-containing oil fractions A catalyst and process for hydrotreating and/or hydroconverting heavy metal-containing hydrocarbon feeds, said catalyst comprising a support in the form of beads based on alumina, at least one catalytic metal or a compound of a catalytic metal from group VIB (column... | 09/28/2010 |
| 7799209 | Process for recovering power from FCC product Disclosed is a process for recovery power from an FCC product. Gaseous hydrocarbon product from an FCC reactor is heat exchanged with a heat exchange media which is delivered to an expander to generate power. Cycle oil from product fractionation may be added to the ... | 09/21/2010 |
| 7771585 | Method and apparatus for the separation of a gas-solids mixture in a circulating fluidized bed reactor The system of the present invention includes a centripetal cyclone for separating particulate material from a particulate laden gas solids stream. The cyclone includes a housing defining a conduit extending between an upstream inlet and a downstream outlet. In opera... | 08/10/2010 |
| 7767075 | System and method of producing heat in a fluid catalytic cracking unit Systems and methods of reducing refinery carbon dioxide emissions by increasing synthesis gas production in a fluid catalytic cracking unit having a reactor and a regenerator are disclosed. In one example, a method comprises separating spent catalyst from a hydrocar... | 08/03/2010 |
| 7744744 | Converted FCC bubbling bed regenerator An apparatus and process for regenerating cracking catalyst may include a regenerator, a distributor penetrating the bottom of the regenerator, a spent catalyst conduit, a return standpipe, and a recirculating standpipe, wherein the return standpipe and the recircul... | 06/29/2010 |
| 7744745 | Process for fluid catalytic cracking of hydrocarbon feedstocks with high levels of basic nitrogen A process is described for fluid catalytic cracking of hydrocarbons with high levels of basic nitrogen, where hydrocarbon feedstocks A and B with different levels of basic nitrogen are injected in a segregated fashion, into different risers of a multiple riser FCCU ... | 06/29/2010 |
| 7727380 | Process for heating regeneration gas Disclosed is a process for combusting dry gas to heat the air supplied 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,... | 06/01/2010 |
| 7718051 | Conversion of crop seed oils to jet fuel and associated methods Aspects of the invention include methods to produce jet fuel from biological oil sources. The method may be comprised of two steps: hydrocracking and reforming. The process may be self-sufficient in heat and hydrogen. ... | 05/18/2010 |
| 7699974 | Method and system of heating a fluid catalytic cracking unit having a regenerator and a reactor In at least one embodiment of the present invention, a method of heating a FCC unit having a regenerator and a reactor having overall CO2 reduction is provided. The method comprises compressing syngas to define compressed syngas. Separating a first stream... | 04/20/2010 |
| 7699975 | Method and system of heating a fluid catalytic cracking unit for overall COreduction In at least one embodiment of the present invention, a method of heating a FCC unit having a regenerator and a reactor for over CO2 reduction is provided. The method comprises compressing syngas to define compressed syngas. CO2 is separated fro... | 04/20/2010 |
| 7686944 | Process for recovering power from FCC product Disclosed is a process for recovering power from an FCC product. The dry gas is combusted and combined with FCC regenerator flue gas to raise the power recovery capability of the flue gas. The flue gas can be used to generate electrical power or steam. Alternatively... | 03/30/2010 |
| 7686943 | Hydroprocessing using hydrothermally-prepared bulk multimetallic catalysts The invention relates to a process for upgrading hydrocarbonaceous feedstreams by hydroprocessing using bulk bimetallic catalysts. More particularly, the invention relates to a catalytic hydrotreating process for the removal of sulfur and nitrogen from a hydrocarbon... | 03/30/2010 |
| 7682501 | 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 C3, C4 and gasoline range hydrocarbons as compared to conventional systems. The process comprises injecti... | 03/23/2010 |
| 7674368 | Systems, methods, and catalysts for producing a crude product Contact of a crude feed with one or more catalysts produces a total product that includes a crude product. The crude product is a liquid mixture at 25° C. and 0.101 MPa. Contacting conditions are controlled such that the crude feed, during contact, uptakes hydrogen... | 03/09/2010 |
| 7670478 | FCC feed injection system This invention relates to an apparatus and process for injecting a petroleum feed. More particularly, a liquid petroleum feed is atomized with a nozzle assembly apparatus in which the apparatus has injection nozzles that produce a generally flat spray pattern of fin... | 03/02/2010 |
| 7658837 | Process and device to optimize the yield of fluid catalytic cracking products A process and device to optimize the yield of fluid catalytic cracking products through a reactive stripping process are disclosed. One or more hydrocarbon streams (3) are introduced in an intermediary region of the stripper (1) of a fluid catalytic cr... | 02/09/2010 |
