With Group Iv Metal Or Metal Oxide (i.e., Ti, Zr, Hf, Ge, Sn, Pb, Or Oxide Thereof) Patents (Class 208/120.1)
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Publication number: 20080078693Abstract: On-line controlling of FCC hydrotreating is provided which uses near infrared (NIR) analysis to characterize cracking feed for parameters and the resulting characterization thereof. The NIR results can be used in FCC hydroteating software to control on-line unit yields and qualities.Type: ApplicationFiled: September 29, 2006Publication date: April 3, 2008Inventors: Jeff Sexton, Brian K. Wilt
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Publication number: 20080078695Abstract: On-line controlling of catalytic cracking processing is provided which uses near infrared (NIR) analysis to characterize cracking feed for parameters such as saturates, aromatics, and thiophene content and the resulting characterization thereof. The NIR results can be used in FCC software to control on-line unit yields and qualities.Type: ApplicationFiled: September 29, 2006Publication date: April 3, 2008Inventors: Jeff Sexton, Brian K. Wilt
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Patent number: 7347930Abstract: A novel process for cracking olefins including contacting a hydrocarbon oil with a catalyst in a riser reactor having multiple reaction zones under cracking reaction conditions; separating reaction products and the catalyst; regenerating at least a part of spent catalyst obtained, contacting a part of the regenerated catalyst with the hydrocarbon in the first reaction zone; contacting the other part of the spent catalyst and/or regenerated catalyst in at least one reaction zone after the first reaction zone with the products obtained in previous reaction zones.Type: GrantFiled: October 15, 2004Date of Patent: March 25, 2008Assignees: China Petroleum & Chemical Corporation, Research Institute of Petroleum Processing, SinopecInventors: Jun Long, Yuxia Zhu, Huiping Tian, Yujian Liu, Zhenyu Chen, Yaoqing Guo, Zhijian Da, Jiushun Zhang, Mingyuan He
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Patent number: 7312370Abstract: An FCC process for obtaining light olefins comprises contacting a hydrocarbon feed stream with blended catalyst comprising regenerated catalyst and coked catalyst. The catalyst has a composition including a first component and a second component. The second component comprises a zeolite with no greater than medium pore size wherein the zeolite comprises at least 1 wt-% of the catalyst composition. The contacting occurs in a riser to crack hydrocarbons in the feed stream and obtain a cracked stream containing hydrocarbon products including light olefins and coked catalyst. The cracked stream is passed out of an end of the riser such that the hydrocarbon feed stream is in contact with the blended catalyst in the riser for less than or equal to 2 seconds on average. The hydrocarbon products including light olefins are separated from the coked catalyst. The first portion of the coked catalyst is passed to a regeneration zone in which coke is combusted from the catalyst to produce a regenerated catalyst.Type: GrantFiled: December 10, 2002Date of Patent: December 25, 2007Assignee: UOP LLCInventors: Rusty M. Pittman, Lawrence L. Upson
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Publication number: 20070170094Abstract: Provided are a catalyst which inhibits light paraffins form being produced in catalytic cracking of heavy hydrocarbons and which effectively produces olefins and a process in which the above catalyst is used to produce olefins from heavy hydrocarbons at a high yield. The catalyst is a catalytic cracking catalyst for catalytically cracking a hydrocarbon raw material, comprising (A) pentasil type zeolite modified with a rare earth element and zirconium and (B) faujasite type zeolite, and the process is a production process for olefin and a fuel oil, comprising bringing a heavy oil containing 50 mass % or more of a hydrocarbon fraction having a boiling point of 180° C. or higher into contact with the catalyst described above to crack it.Type: ApplicationFiled: January 17, 2007Publication date: July 26, 2007Applicants: Rsrch Assoc. of Refinery Integration for Group-Op., Idemitsu Kosan Co., Ltd.Inventors: Kenichi Wakui, Kinsho Furusawa, Akio Suwa, Toshio Itoh, Hisao Nagashima
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Patent number: 7125817Abstract: A catalyst system and process for combined cracking and selective hydrogen combustion of hydrocarbons are disclosed. The catalyst comprises (1) at least one solid acid component, (2) at least one metal-based component comprised of one or more elements from Group 3 and one or more elements from Groups 4–15 of the Periodic Table of the Elements; and at least one of oxygen and sulfur, wherein the elements from Groups 3, Groups 4–15 and the at least one of oxygen and sulfur are chemically bound both within and between the groups and (3) at least one of at least one support, at least one filler and at least one binder. The process is such that the yield of hydrogen is less than the yield of hydrogen when contacting the hydrocarbons with the solid acid component alone.Type: GrantFiled: February 20, 2003Date of Patent: October 24, 2006Assignee: ExxonMobil Chemical Patents Inc.Inventors: John D. Y. Ou, Neeraj Sangar
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Patent number: 7122495Abstract: A catalyst system and process for combined cracking and selective hydrogen combustion of hydrocarbons are disclosed.Type: GrantFiled: September 24, 2003Date of Patent: October 17, 2006Assignee: ExxonMobil Chemical Patents Inc.Inventors: John Di-Yi Ou, Neeraj Sangar
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Patent number: 7122492Abstract: A catalyst system and process for combined cracking and selective hydrogen combustion of hydrocarbons are disclosed. The catalyst comprises (1) at least one solid acid component, (2) at least one metal-based component comprised of one or more elements from Groups 1 and 2; one or more elements from Group 3; one or more elements from Groups 4–15 of the Periodic Table of the Elements; and at least one of oxygen and sulfur and (3) at least one of at least one support, at least one filler and at least one binder. The process is such that the yield of hydrogen is less than the yield of hydrogen when contacting the hydrocarbons with the solid acid component alone.Type: GrantFiled: February 5, 2003Date of Patent: October 17, 2006Assignee: ExxonMobil Chemical Patents Inc.Inventors: John D. Y. Ou, Neeraj Sangar
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Patent number: 6977322Abstract: A catalyst and process is disclosed to selectively upgrade a paraffinic feedstock to obtain an isoparaffin-rich product for blending into gasoline. The catalyst comprises a support of a tungstated oxide or hydroxide of a Group IVB (IUPAC 4) metal, a first component of at least one lanthanide element, yttrium or mixtures thereof, which is preferably ytterbium or holmium, and at least one platinum-group metal component which is preferably platinum.Type: GrantFiled: July 19, 2004Date of Patent: December 20, 2005Assignee: UOP LLCInventor: Ralph D. Gillespie
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Patent number: 6908544Abstract: The present invention relates to a cracking catalyst comprising layered clays and a process for cracking hydrocarbon oils using said catalyst. Said catalyst is prepared by the process comprising the following steps: mixing and slurrying an expandable clay, a modifier component, pseudo-boehmite and water for 0.1-10 h to obtain a slurry, aging the slurry at 50-85° C. for 0.1-10 h, then drying and forming the slurry to obtain a formed material, water washing and aging the solid, and finally drying and calcining the solid, and said modifier being one or more selected from the group consisting of hydroxyl polymers of silicon, aluminum, zirconium or titanium, and substances comprising one or more of said hydroxyl polymers.Type: GrantFiled: December 24, 2002Date of Patent: June 21, 2005Assignees: China Petroleum & Chemical Corporation, Research Institute of Petroleum Processing,Inventors: Zhiqing Yu, Zhijian Da, Zhenyu Chen, Enze Min, Jun Long, Caiying Li, Zhiqing Huang
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Patent number: 6846403Abstract: The sulfur content of liquid cracking products, especially the cracked gasoline, of the catalytic cracking process is reduced by the use of a sulfur reduction catalyst composition comprising a porous molecular sieve which contains a metal in an oxidation state above zero within the interior of the pore structure of the sieve as well as a rare earth component which enhances the cracking activity of the cracking catalyst. The molecular sieve is normally a faujasite such as USY. The primary sulfur reduction component is normally a metal of Period 4 of the Periodic Table, preferably vanadium. The rare earth component preferably includes cerium which enhances the sulfur reduction activity of the catalyst. The sulfur reduction catalyst may be used in the form of a separate particle additive or as a component of an integrated cracking/sulfur reduction catalyst.Type: GrantFiled: December 28, 1998Date of Patent: January 25, 2005Assignees: Mobil Oil Corporation, W.R. Grace & Co.-Conn.Inventors: Wu-Cheng Cheng, Scott Kevin Purnell, Terry G. Roberie, Hye Kyung Cho Timken, Xinjin Zhao
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Publication number: 20040262197Abstract: The present invention relates to the reduction of the concentrations of nitrogen oxides (NOx) from a fluid catalytic cracking (FCC) regenerator by operating the regenerator in partial CO burn mode with a NOx reducing catalyst system.Type: ApplicationFiled: April 21, 2004Publication date: December 30, 2004Inventors: Duane R. McGregor, James O. Guerra
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Publication number: 20040256290Abstract: A catalyst for fluidized catalytic cracking of a heavy hydrocarbon oil, which comprises (A) catalyst particles comprising a compound of a bivalent metal or a compound of bivalent and trivalent metals, wherein said compound shows an XRD pattern of a carbonate of the bivalent metal, and (B) catalyst particles comprising a crystalline aluminosilicate zeolite and a mixture compound of aluminum and at least one metal selected from the group consisting of the Group IVa metals of the Periodic Table.Type: ApplicationFiled: July 29, 2004Publication date: December 23, 2004Inventors: Hidenori Yamada, Tadashi Shibuya, Nobuki Sekine
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Patent number: 6797155Abstract: A process for catalytic cracking of a hydrocarbon feedstock comprises contacting the feedstock with a catalyst composition comprising a primary cracking component, such as zeolite Y, and a mesoporous aluminophosphate material which includes a solid aluminophosphate composition modified with at least one element selected from zirconium, cerium, lanthanum, manganese, cobalt, zinc, and vanadium. The mesoporous aluminophosphate material has a specific surface area of at least 100 m2/g, an average pore size less than or equal to 100 Å, and a pore size distribution such that at least 50% of the pores have a pore diameter less than 100 Å.Type: GrantFiled: December 21, 1999Date of Patent: September 28, 2004Assignee: ExxonMobil Research & Engineering Co.Inventors: Arthur Warren Chester, Frederick Earl Daugherty, Anthony Shiu lun Fung, Charles Theodore Kresge, Hye Kyung Cho Timken, James Clarke Vartuli, Ranjit Kumar, Terry G. Roberie, Michael S. Ziebarth
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Patent number: 6790343Abstract: The present invention relates to a sulfur transfer additive for catalytic cracking of hydrocarbons and a catalytic cracking process of hydrocarbons using the sulfur transfer additive, said additive is a uniform liquid comprising at least two metal elements selected from the following three classes: a). alkaline earth metals, b). transition metals and P zone metals, and c). rare earth metals, and wherein there are at least two metal elements from the different classes. The present sulfur transfer additive can reduce the SOx content in the regenerator flue gas and the sulfur content in the light oil products at the same time, and has no negative effect on the activity and selectivity of the catalyst in the FCC system.Type: GrantFiled: November 12, 2002Date of Patent: September 14, 2004Assignees: China Petro-chemical Corporation, Luoyang Petro-chemical Engineering Corporation, SinopecInventors: Longyan Wang, Haiqing Guo, Wenyi Qi, Shuqin Su, Xianliang Deng, Jinlong Liu, Shufang Liu
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Publication number: 20040167013Abstract: A catalyst system and process for combined cracking and selective hydrogen combustion of hydrocarbons are disclosed. The catalyst comprises (1) at least one solid acid component, (2) at least one metal-based component comprised of one or more elements from Group 3 and one or more elements from Groups 4-15 of the Periodic Table of the Elements; and at least one of oxygen and sulfur, wherein the elements from Groups 3, Groups 4-15 and the at least one of oxygen and sulfur are chemically bound both within and between the groups and (3) at least one of at least one support, at least one filler and at least one binder. The process is such that the yield of hydrogen is less than the yield of hydrogen when contacting the hydrocarbons with the solid acid component alone.Type: ApplicationFiled: February 20, 2003Publication date: August 26, 2004Inventors: John D.Y. Ou, Neeraj Sangar
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Patent number: 6756029Abstract: A process for preparing molecular sieves of type Y faujasite structure is described, as well as pre-shaped bodies of faujasite structure type Y molecular sieves. The process comprises preparing a precursor gel from a source of silica-alumina or a source of alumina and a source of silica with a template agent at a SiO2/Al2O3 greater than 7 and suitable for forming a type Y zeolite, drying the precursor gel and contacting the dried precursor gel with steam, optionally followed by caustic washing, without the formation of crystalline phases other than type Y zeolite being observed. Advantageously, the pre-shaped bodies prepared with the precursor gel of Y zeolite, when subjected to the process of the invention, will have their outer surface covered by type Y zeolite crystals. The molecular sieves so obtained may be employed as catalysts or adsorbents in various processes of the chemical or oil industry.Type: GrantFiled: June 7, 2002Date of Patent: June 29, 2004Assignees: Petroleo Brasileiro S.A.-Petrobras, Akzo Nobel N.V.Inventors: Yiu Lau Lam, Alvaro Saavedra, Alexandre de Figueiredo Costa, Anselmo da Silva Santos, Gustavo Torres Moure, Rodolfo Eugenio Roncolatto, Dennis Stamires, Paul O'Connor
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Patent number: 6723228Abstract: An additive used in catalytic cracking of hydrocarbons, which is in the form of homogeneous liquid and comprises a composite metal compound, wherein said composite metal compound consists of the oxides, hydroxides, organic acid salts, inorganic acid salts or metal organic complex compounds of at least one of the 1st group metals and at least one of the 2nd group metals, wherein the 1st group metals are selected from the group consisting of the metals of the IIIA, IVA, VA, VIA groups of the Element Period Table, boron, silicon, phosphorous and tellurium; wherein the 2nd group metals are selected from the group consisting of alkali-earth metals, transition metals, and rare earth metals, is disclosed. A process of catalytic cracking of hydrocarbons, utilizing the additive is also disclosed. The additive can passivate metals and promote the oxidation of CO, and is operated easily with production cost decreased.Type: GrantFiled: June 11, 2003Date of Patent: April 20, 2004Assignees: China Petrochemical Corporation, Luoyang Petrochemical Engineering CorporationInventors: Shuqin Su, Guoliang Wang, Haiqing Guo, Xianliang Deng, Longyan Wang, Wenyi Qi, Shufang Liu, Baojian Shen, Jinlong Liu, Dongming Zhao
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Publication number: 20030209468Abstract: An additive used in catalytic cracking of hydrocarbons, which is in the form of homogeneous liquid and comprises a composite metal compound, wherein said composite metal compound consists of the oxides, hydroxides, organic acid salts, inorganic acid salts or metal organic complex compounds of at least one of the 1st group metals and at least one of the 2nd group metals, wherein the 1st group metals are selected from the group consisting of the metals of the IIIA, IVA, VA, VIA groups of the Element Period Table, boron, silicon, phosphorous and tellurium; wherein the 2nd group metals are selected from the group consisting of alkali-earth metals, transition metals, and rare earth metals, is disclosed. A process of catalytic cracking of hydrocarbons, utilizing the additive is also disclosed. The additive can passivate metals and promote the oxidation of CO, and is operated easily with production cost decreased.Type: ApplicationFiled: June 11, 2003Publication date: November 13, 2003Inventors: Shuqin Su, Guoliang Wang, Haiqing Guo, Xianliang Deng, Longyan Wang, Wenyi Qi, Shufang Liu, Baojian Shen, Jinlong Liu, Dongming Zhao
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Patent number: 6635168Abstract: The present invention is directed to certain catalyst compositions and processes that are capable of reducing sulfur compounds normally found as part of the gasoline fraction streams of fluid catalytic cracking processes. The present invention requires an equilibrium cracking catalyst composition comprises at least one Y-type zeolite having kinetic conversion activity of at least about 3 in combination with a Lewis acid containing alumina composite present in at least 50 weight percent of the composition. The resultant equilibrium catalyst composition has a kinetic conversion activity of at least about 2.Type: GrantFiled: April 13, 2001Date of Patent: October 21, 2003Assignee: W. R. Grace & Co.-ConnInventors: Xinjin Zhao, Wu-Cheng Cheng, John Allen Rudesill, Richard Franklin Wormsbecher, Pilip Stephen Deitz
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Patent number: 6635169Abstract: The sulfur content of liquid cracking products, especially the cracked gasoline, of a catalytic cracking process is reduced by the use of a catalyst having a product sulfur reduction component containing a metal component in an oxidation state greater than zero, wherein the average oxidation state of the metal component is increased by an oxidation step following conventional catalyst regeneration. The catalyst is normally a molecular sieve such as a zeolite Y, REY, USY, REUSY, Beta or ZSM-5. The metal component is normally a metal of Groups 5, 7, 8, 9, 12 or 13 of the periodic table, preferably vanadium or zinc. The sulfur reduction component may be a separate particle additive or part of an integrated cracking/sulfur reduction catalyst. A system for increasing the oxidation state of the metal component of a Gasoline Sulfur Reduction additive is also provided.Type: GrantFiled: September 20, 1999Date of Patent: October 21, 2003Assignees: Mobil Oil Corporation, W. R. Grace & Co.-ConnInventors: Nazeer A. Bhore, Arthur W. Chester, Ke Liu, Hye Kyung Cho Timken
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Publication number: 20030159972Abstract: The present invention relates to a cracking catalyst comprising layered clays and a process for cracking hydrocarbon oils using said catalyst. Said catalyst is prepared by the process comprising the following steps: mixing and slurrying an expandable clay, a modifier component, pseudo-boehmite and water for 0.1-10 h to obtain a slurry, aging the slurry at 50-85° C. for 0.1-10 h, then drying and forming the slurry to obtain a formed material, water washing and aging the solid, and finally drying and calcining the solid, and said modifier being one or more selected from the group consisting of hydroxyl polymers of silicon, aluminum, zirconium or titanium, and substances comprising one or more of said hydroxyl polymers.Type: ApplicationFiled: December 24, 2002Publication date: August 28, 2003Applicant: CHINA PETROLEUM & CHEMICAL CORPORATIONInventors: Zhiqing Yu, Zhijian Da, Zhenyu Chen, Enze Min, Jun Long, Caiying Li, Zhiqing Huang
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Publication number: 20030121826Abstract: Diesel fuels or blending stocks having high cetane number are produced from non-shifting Fischer-Tropsch processes, which directly convert carbon monoxide and hydrogen to diesel distillates over activated carbon supported cobalt based Fischer-Tropsch catalysts. The activated carbon supported cobalt based catalysts comprise a substantially high dispersion of at least one of a zirconium component, an cerium component, a ruthenium component or a potassium component in porous carbon and elemental cobalt either deposited thereon or substantially uniformly dispersed therein, wherein the concentration of activated carbon in the catalyst is from about 20 to about 90 percent by weight, based on the weight of the catalyst, the concentration of elemental cobalt in the catalyst is from about 4 to about 50 percent by weight, based on the weight of the catalyst, the total concentration of the zirconium component, the cerium component, or a combination thereof in the catalyst is from about 0.Type: ApplicationFiled: January 3, 2002Publication date: July 3, 2003Inventors: Yunjie Ding, Wenping Ma, Liwu Lin
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Patent number: 6538169Abstract: An FCC process for obtaining light olefins comprises contacting a hydrocarbon feed stream with blended catalyst comprising regenerated catalyst and coked catalyst. The catalyst has a composition including a first component and a second component. The second component comprises a zeolite with no greater than medium pore size wherein the zeolite comprises at least 1 wt-% of the catalyst composition. The contacting occurs in a riser to crack hydrocarbons in the feed stream and obtain a cracked stream containing hydrocarbon products including light olefins and coked catalyst. The cracked stream is passed out of an end of the riser such that the hydrocarbon feed stream is in contact with the blended catalyst in the riser for less than or equal to 2 seconds on average.Type: GrantFiled: November 13, 2000Date of Patent: March 25, 2003Assignee: UOP LLCInventors: Rusty M. Pittman, Lawrence L. Upson
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Publication number: 20020179492Abstract: The present invention is directed to certain catalyst compositions and processes that are capable of reducing sulfur compounds normally found as part of the gasoline fraction streams of fluid catalytic cracking processes. The present invention requires an equilibrium cracking catalyst composition comprises at least one Y-type zeolite having kinetic conversion activity of at least about 3 in combination with a Lewis acid containing alumina composite present in at least 50 weight percent of the composition. The resultant equilibrium catalyst composition has a kinetic conversion activity of at least about 2.Type: ApplicationFiled: April 13, 2001Publication date: December 5, 2002Inventors: Xinjin Zhao, Wu-Cheng Cheng, John Allen Rudesill, Richard Franklin Wormsbecher, Philip Stephen Deitz
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Patent number: 6306286Abstract: An IM-5 zeolite that is modified by adding phosphorus that is optionally dealuminified, preferably in aluminosilicic form, and that contains at most 10% by weight of phosphorus, a composition that contains it, its processes for preparation and its application to catalytic cracking of hydrocarbon feedstocks are described.Type: GrantFiled: May 11, 2000Date of Patent: October 23, 2001Assignee: Institut Francais du PetroleInventors: Samuel Mignard, Avelino Corma Canos, Joaquin Martinez Triguero, Eric Benazzi, Sylvie Lacombe, Gil Mabilon
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Patent number: 6200464Abstract: An FCC catalyst containing zeolite particles at least 50% of the outer surface of which is coated with a layer of pre-formed inorganic oxide is used in fluidized catalytic cracking of hydrocarbon feeds. The inorganic oxide layer has a thickness in the range of 10 nm to 5 &mgr;m and the ratio between the particle size of the oxide and the mean particle size of the zeolite particles is in the range of 0.001:1 to 0.5:1. The zeolite particles may be coated by contacting uncoated zeolite particles having a mean particle size in the range of 0.1 to 10 &mgr;m with an aqueous medium containing particles of the oxide having a particle size in the range of 10 to 5,000 nm, after which the particles are optionally dried or calcined. The oxide is preferably alumina. The FCC catalysts are less rapidly deactivated by contaminant metals present in heavy feeds and are less susceptible to blocking of the zeolite pores by coke.Type: GrantFiled: December 28, 1998Date of Patent: March 13, 2001Assignee: Akzo Nobel N.V.Inventors: Franciscus Wilhelmus van Houtert, Hendrik Gerard Bruil, Johannes Ebregt, Nicolaas Gerardus Bader