Patents by Inventor Ruizhong Hu
Ruizhong Hu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230271163Abstract: A process for catalytic cracking of an iron-contaminated fluid catalytic cracking (FCC) feedstock. The process may include combining a FCC catalyst, a slurry containing a magnesium compound, and an iron-contaminated FCC feedstock during a FCC process under fluid catalytic cracking conditions, thereby generating an equilibrium FCC catalyst with reduced iron poisoning. The slurry containing the magnesium compound may not contain a calcium compound.Type: ApplicationFiled: July 7, 2021Publication date: August 31, 2023Applicant: W. R. Grace & Co.-Conn.Inventors: Shankhamala Kundu, Ruizhong Hu, Wu-Cheng Cheng, Michael Ziebarth
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Patent number: 10626332Abstract: A process for the laboratory deactivation of a porous solid comprising subjecting the porous solid to a cyclic treatment, the treatment being selected from a hydration/dehydration cyclic treatment, a thermal cyclic treatment, or combinations thereof.Type: GrantFiled: August 18, 2016Date of Patent: April 21, 2020Assignee: W.R. GRACE & CO.- CONNInventors: Ruizhong Hu, Gordon Dean Weatherbee, Dariusz Orlicki, Michael Berg
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Publication number: 20180251686Abstract: A process for the laboratory deactivation of a porous solid comprising subjecting the porous solid to a cyclic treatment, the treatment being selected from a hydration/dehydration cyclic treatment, a thermal cyclic treatment, or combinations thereof.Type: ApplicationFiled: August 18, 2016Publication date: September 6, 2018Applicant: W. R. Grace & Co. -Conn.Inventors: Ruizhong Hu, Gordon Dean Weatherbee, Dariusz Orlicki, Michael Berg
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Patent number: 8901026Abstract: A catalytic cracking catalyst composition is disclosed that is suitable for reducing the sulfur content of catalytically cracking liquid products, in particularly gasoline products, produced during a catalytic cracking process. Preferably, the catalytic cracking process is a fluidized catalytic cracking (FCC) process. The composition comprises zeolite, zinc and at least one rare earth element having an ionic radius of less than 0.95 ? at a coordination number of 6. Preferably, zinc and the rare earth element are present as cations that have been exchanged on the zeolite. The zeolite is preferably a Y-type zeolite.Type: GrantFiled: January 28, 2008Date of Patent: December 2, 2014Assignee: W. R. Grace & Co.-Conn.Inventors: Richard Franklin Wormsbecher, Ruizhong Hu
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Patent number: 8715487Abstract: This invention relates to the composition, method of making and use of a fluidized catalytic cracking (“FCC”) catalyst that is comprised of a new Y zeolite which exhibits an exceptionally low small mesoporous peak around the 40 ? (angstrom) range as determined by nitrogen adsorption measurements. FCC catalysts made from this new zeolite exhibit improved rates of heavy oil cracking heavy oil bottoms conversions and gasoline conversions. The fluidized catalytic cracking catalysts herein are particularly useful in fluidized catalytic cracking (“FCC”) processes for conversion of heavy hydrocarbon feedstocks such as gas oils and vacuum tower bottoms.Type: GrantFiled: February 17, 2011Date of Patent: May 6, 2014Assignee: ExxonMobil Research and Engineering CompanyInventors: Jianxin Jason Wu, William A. Wachter, Colin L. Beswick, Edward Thomas Habib, Jr., Terry G. Roberie, Ruizhong Hu
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Patent number: 8642499Abstract: A particulate catalytic cracking catalyst which comprises a zeolite having catalytic cracking ability under catalytic cracking conditions, added silica, precipitated alumina and, optionally clay. The catalytic cracking catalyst has a high matrix surface area and is useful in a catalytic cracking process, in particularly, a fluid catalytic cracking process, to improve bottoms conversion at a constant coke formation.Type: GrantFiled: November 21, 2007Date of Patent: February 4, 2014Assignee: W. R. Grace & Co.-Conn.Inventors: Wu-Cheng Cheng, Kevin John Sutovich, Ruizhong Hu, Ranjit Kumar, Xinjin Zhao
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Patent number: 8221615Abstract: The invention is a composition that is suitable for reducing sulfur species from products produced by petroleum refining processes, especially gasoline products produced by fluidized catalytic cracking (FCC) processes. The composition comprises zeolite, yttrium, and at least one element selected from the group consisting of zinc, magnesium and manganese, wherein the yttrium and element are present as cations. The yttrium and zinc are preferably present as cations that have been exchanged onto the zeolite. The zeolite is preferably a zeolite Y.Type: GrantFiled: February 1, 2011Date of Patent: July 17, 2012Assignee: W. R. Grace & Co.-Conn.Inventors: Ruizhong Hu, Richard Franklin Wormsbecher
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Patent number: 8084383Abstract: 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 is a cracking catalyst composition comprising a zeolite in combination with a Lewis Acid containing component, wherein the cracking catalyst composition comprises 0.2% Na2O or less. It has been found that sulfur compounds in hydrocarbon feeds to fluid catalytic cracking processes can be reduced by at least 15% compared to the same composition, which does not comprise the aforementioned Lewis Acid containing component.Type: GrantFiled: March 16, 2004Date of Patent: December 27, 2011Assignee: W.R. Grace & Co.-Conn.Inventors: Ruizhong Hu, Xinjin Zhao, Richard Franklin Wormsbecher, Michael Scott Ziebarth
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Publication number: 20110220549Abstract: This invention relates to the composition, method of making and use of a fluidized catalytic cracking (“FCC”) catalyst that is comprised of a new Y zeolite which exhibits an exceptionally low small mesoporous peak around the 40 ? (angstrom) range as determined by nitrogen adsorption measurements. FCC catalysts made from this new zeolite exhibit improved rates of heavy oil cracking heavy oil bottoms conversions and gasoline conversions. The fluidized catalytic cracking catalysts herein are particularly useful in fluidized catalytic cracking (“FCC”) processes for conversion of heavy hydrocarbon feedstocks such as gas oils and vacuum tower bottoms.Type: ApplicationFiled: February 17, 2011Publication date: September 15, 2011Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANYInventors: Jianxin Jason Wu, William A. Wachter, Colin L. Beswick, Edward Thomas Habib, JR., Terry G. Roberie, Ruizhong Hu
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Publication number: 20110224068Abstract: This invention relates to the composition, method of making and use of a fluidized catalytic cracking (“FCC”) catalyst that is comprised of a new Y zeolite which exhibits an exceptionally low small mesoporous peak around the 40 ? (angstrom) range as determined by nitrogen adsorption measurements. FCC catalysts made from this new zeolite exhibit improved rates of heavy oil cracking heavy oil bottoms conversions and gasoline conversions. The fluidized catalytic cracking catalysts herein are particularly useful in fluidized catalytic cracking (“FCC”) processes for conversion of heavy hydrocarbon feedstocks such as gas oils and vacuum tower bottoms.Type: ApplicationFiled: February 17, 2011Publication date: September 15, 2011Applicant: W.R. Grace & Co.-Conn.Inventors: Edward T. Habib, JR., Ruizhong Hu, Terry G. Roberie, Jianxin Jason Wu, William A. Wachter, Colin L. Beswick
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Publication number: 20110120911Abstract: The invention is a composition that is suitable for reducing sulfur species from products produced by petroleum refining processes, especially gasoline products produced by fluidized catalytic cracking (FCC) processes. The composition comprises zeolite, yttrium, and at least one element selected from the group consisting of zinc, magnesium and manganese, wherein the yttrium and element are present as cations. The yttrium and zinc are preferably present as cations that have been exchanged onto the zeolite. The zeolite is preferably a zeolite Y.Type: ApplicationFiled: February 1, 2011Publication date: May 26, 2011Inventors: Ruizhong Hu, Richard Franklin Wormsbecher
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Patent number: 7902106Abstract: The invention is a composition that is suitable for reducing sulfur species from products produced by petroleum refining processes, especially gasoline products produced by fluidized catalytic cracking (FCC) processes. The composition comprises zeolite, yttrium, and at least one element selected from the group consisting of zinc, magnesium and manganese, wherein the yttrium and element are present as cations. The yttrium and zinc are preferably present as cations that have been exchanged onto the zeolite. The zeolite is preferably a zeolite Y.Type: GrantFiled: February 24, 2006Date of Patent: March 8, 2011Assignee: W. R. Grace & Co.-Conn.Inventors: Ruizhong Hu, Richard Franklin Wormsbecher
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Publication number: 20110036754Abstract: A particulate catalytic cracking catalyst which comprises a zeolite having catalytic cracking ability under catalytic cracking conditions, added silica, precipitated alumina and, optionally clay. The catalytic cracking catalyst has a high matrix surface area and is useful in a catalytic cracking process, in particularly, a fluid catalytic cracking process, to improve bottoms conversion at a constant coke formation.Type: ApplicationFiled: November 21, 2007Publication date: February 17, 2011Inventors: Wu-Cheng Cheng, Kevin John Sutovich, Ruizhong Hu, Ranjit Kumar, Xinjin Zhao
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Publication number: 20100133145Abstract: A catalytic cracking catalyst composition is disclosed that is suitable for reducing the sulfur content of catalytically cracking liquid products, in particularly gasoline products, produced during a catalytic cracking process. Preferably, the catalytic cracking process is a fluidized catalytic cracking (FCC) process. The composition comprises zeolite, zinc and at least one rare earth element having an ionic radii of less than 0.95 ? at a coordination number of 6. Preferably, zinc and the rare earth element are present as cations that have been exchanged on the zeolite. The zeolite is preferably a Y-type zeolite.Type: ApplicationFiled: January 28, 2008Publication date: June 3, 2010Applicant: W. R. GRACE & CO.-CONN.Inventors: Richard Franklin Wormsbecher, Ruizhong Hu
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Publication number: 20080156698Abstract: The invention is a composition that is suitable for reducing sulfur species from products produced by petroleum refining processes, especially gasoline products produced by fluidized catalytic cracking (FCC) processes. The composition comprises zeolite, yttrium, and at least one element selected from the group consisting of zinc, magnesium and manganese, wherein the yttrium and element are present as cations. The yttrium and zinc are preferably present as cations that have been exchanged onto the zeolite. The zeolite is preferably a zeolite Y.Type: ApplicationFiled: February 24, 2006Publication date: July 3, 2008Inventors: Ruizhong Hu, Richard Franklin Wormsbecher
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Publication number: 20050205464Abstract: 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 is a cracking catalyst composition comprising a zeolite in combination with a Lewis Acid containing component, wherein the cracking catalyst composition comprises 0.2% Na2O or less. It has been found that sulfur compounds in hydrocarbon feeds to fluid catalytic cracking processes can be reduced by at least 15% compared to the same composition, which does not comprise the aforementioned Lewis Acid containing component.Type: ApplicationFiled: March 16, 2004Publication date: September 22, 2005Inventors: Ruizhong Hu, Xinjin Zhao, Richard Wormsbecher, Michael Ziebarth