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公开(公告)号：US11819818B2
公开(公告)日：2023-11-21
申请号：US16947704
申请日：2020-08-13
Inventor： Chuansheng Bai , Jihad M. Dakka , Preeti Kamakoti , Aruna Ramkrishnan , Anjaneya S. Kovvali , Anita S. Lee
IPC: B01J23/80 , B01J29/46 , B01J35/02 , B01J37/04 , B01J37/08 , B01J37/10 , B01J37/00 , C07C41/01 , B01J37/12
CPC classification number: B01J29/46 , B01J23/80 , B01J35/023 , B01J35/026 , B01J37/0018 , B01J37/0027 , B01J37/0036 , B01J37/12 , C07C41/01
Abstract: A method of producing bifunctional catalysts by extrusion may include mixing an acid catalyst, a metal catalyst, optionally a binder, and a fluid to produce a dough; extruding the dough to form an extrudate; producing a powder from the extrudate; and calcining the powder to produce an acid/metal bifunctional catalyst. Such acid/metal bifunctional catalysts may be useful in, among other things, converting syngas to dimethyl ether in a single reactor.
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2.发明授权公开(公告)号：US11654421B2
公开(公告)日：2023-05-23
申请号：US16947701
申请日：2020-08-13
Inventor： Chuansheng Bai , Majosefina Cunningham , Jihad M. Dakka , Preeti Kamakoti , Aruna Ramkrishnan , Anjaneya S. Kovvali , Anita S. Lee
IPC: B01J23/80 , C07C41/01 , B01J37/04 , B01J37/03 , B01J37/30 , B01J37/00 , B01J37/08 , B01J37/34 , B01J37/06 , B01J37/02 , B01J37/18 , B01J35/00 , B01J35/02 , B01J35/10 , B01J21/18
CPC classification number: B01J23/80 , B01J21/18 , B01J35/0013 , B01J35/026 , B01J35/1014 , B01J35/1019 , B01J35/1038 , B01J35/1042 , B01J35/1047 , B01J35/1061 , B01J37/0036 , B01J37/0236 , B01J37/031 , B01J37/04 , B01J37/06 , B01J37/088 , B01J37/18 , B01J37/30 , B01J37/348 , C07C41/01
Abstract: Methods of producing metal catalysts can include mixing two or more metal salts and an aluminum salt in water to produce a metal catalyst precursor solution; mixing the metal catalyst precursor solution and an alkali metal buffer solution to produce a precipitate; ion exchanging the alkali metal in the precipitate for a non-alkali cation to produce a low-alkali metal precipitate comprising 3 wt % or less alkali metal by weight of the precipitate on a dry basis; producing a powder from the low-alkali metal precipitate; and calcining the powder to produce a metal catalyst. Such metal catalysts may be useful in producing bifunctional catalyst systems that are useful in, among other things, converting syngas to dimethyl ether in a single reactor.
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Patent Agency Ranking
公开(公告)号：US11767477B2
公开(公告)日：2023-09-26
申请号：US17639854
申请日：2020-08-14
Inventor： Eric B. Shen , Anjaneya S Kovvali , Aruna Ramkrishnan , Arun K. Sharma , Samuel J. Cady , Stephen H. Brown , Rustom M. Billimoria , Brenda A. Raich , Bryan A. Patel , Phillip K. Schoch , John Della Mora
CPC classification number: C10G47/26 , C10G21/003 , C10G65/12 , C10G67/0454 , C10G2300/1074 , C10G2300/1077 , C10G2300/4025 , C10G2300/4081
Abstract: Systems and methods are provided for partial upgrading of heavy hydrocarbon feeds to meet transport specifications, such as pipeline transport specifications. The systems and methods can allow for one or more types of improvement in heavy hydrocarbon processing prior to transport. In some aspects, the systems and methods can produce a partially upgraded heavy hydrocarbon product that satisfies one or more transport specifications while incorporating an increased amount of vacuum gas oil and a reduced amount of pitch into the partially upgraded heavy hydrocarbon product. In other aspects, the systems and methods can allow for increased incorporation of hydrocarbons into the fraction upgraded for transport, thereby reducing or minimizing the amount of hydrocarbons requiring an alternative method of disposal or transport. In still other aspects, the systems and methods can allow for reduced incorporation of external streams into the final product for transport while still satisfying one or more target properties.
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公开(公告)号：US11760942B2
公开(公告)日：2023-09-19
申请号：US17639871
申请日：2020-08-14
Inventor： Stephen H. Brown , Brenda A. Raich , Samuel J. Cady , Anjaneya S. Kovvali , Eric B. Shen , Scott R. Horton , Ashish B. Mhadeshwar , Aruna Ramkrishnan
CPC classification number: C10G45/00 , C10G7/00 , C10G7/06 , C10G21/003 , C10G27/00 , C10G67/14 , C10L1/04 , C10G2300/302 , C10G2300/308 , C10G2300/42 , C10L2200/0407
Abstract: An upgraded crude composition is provided, along with systems and methods for making such a composition. The upgraded crude composition can include an unexpectedly high percentage of vacuum gas oil boiling range components while having a reduce or minimized amount of components boiling above 593° C. (1100° F.). In some aspects, based in part on the hydroprocessing used to form the upgraded crude composition, the composition can include unexpectedly high contents of nitrogen. Still other unexpected features of the composition can include, but are not limited to, an unexpectedly high nitrogen content in the naphtha fraction; and an unexpected vacuum gas oil fraction including an unexpectedly high content of polynuclear aromatics, an unexpectedly high content of waxy, paraffinic compounds, and/or an unexpectedly high content of n-pentane asphaltenes.
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公开(公告)号：US11638912B2
公开(公告)日：2023-05-02
申请号：US16947699
申请日：2020-08-13
Inventor： Chuansheng Bai , Majosefina Cunningham , Jihad M. Daaka , Preeti Kamakoti , Aruna Ramkrishnan
IPC: B01J23/80 , C07C41/01 , B01J37/03 , B01J37/08 , B01J37/06 , B01J37/02 , B01J37/00 , B01J37/18 , B01J35/02 , B01J35/00 , B01J35/10 , B01J37/04
Abstract: Methods of producing metal catalysts can include mixing two or more metal salts and an aluminum salt in water to produce a metal catalyst precursor solution having a pH of about 2.5 to about 4.0; mixing the metal catalyst precursor solution and a basic solution having a pH of about 10 to about 13 to produce a mixture with a pH of about 6 to about 7 and a precipitate; producing a powder from the precipitate; and calcining the powder to produce a metal catalyst. Such metal catalysts may be useful in producing bifunctional catalyst systems that are useful in, among other things, converting syngas to dimethyl ether in a single reactor.
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公开(公告)号：US11602734B2
公开(公告)日：2023-03-14
申请号：US16993219
申请日：2020-08-13
Inventor： Chuansheng Bai , Majosefina Cunningham , Jihad M. Dakka , Preeti Kamakoti , Aruna Ramkrishnan , Anjaneya S. Kovvali , Anita S. Lee
IPC: B01J29/06 , B01J23/80 , C07C41/01 , B01J29/46 , B01J27/188 , B01J27/19 , B01J35/02 , B01J35/10 , B01J37/04 , B01J37/08 , B01J37/10 , B01J37/00 , B01J37/18 , B01J21/04 , C07C31/04 , C07C43/04 , C07C29/154
Abstract: A method of producing a acid/metal bifunctional catalyst may include: mixing an acid catalyst, a metal catalyst, and a fluid to produce a slurry, wherein the acid catalyst is present at 50 wt % or less relative to a total catalyst weight in the slurry; heating the slurry; producing a powder from the slurry; and calcining the powder to produce the acid/metal bifunctional catalyst. Such acid/metal bifunctional catalyst would be useful in the direct conversion of syngas to dimethyl ether as well as other reactions.
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公开(公告)号：US11691139B2
公开(公告)日：2023-07-04
申请号：US16947706
申请日：2020-08-13
Inventor： Chuansheng Bai , Majosefina Cunningham , Jihad M. Dakka , Preeti Kamakoti , Aruna Ramkrishnan , Anjaneya S. Kovvali , Anita S. Lee
IPC: B01J37/08 , B01J37/02 , B01J37/04 , C07C41/01 , B01J33/00 , B01J21/18 , B01J29/40 , B01J37/10 , B01J23/80
CPC classification number: B01J37/084 , B01J21/18 , B01J23/80 , B01J29/40 , B01J33/00 , B01J37/0219 , B01J37/0221 , B01J37/04 , B01J37/10 , C07C41/01
Abstract: A method of producing bifunctional catalyst systems that include a carbon-coated metal catalyst may comprise: coating a metal catalyst particle with a carbon-containing small molecule to produce a coated metal catalyst particle; carbonizing the carbon-containing small molecule on the coated metal catalyst particle to produce a carbon-coated metal catalyst particle; and mixing the carbon-coated metal catalyst particle with an acid catalyst particle to produce an acid/metal bifunctional catalyst system. Further, a method of producing bifunctional catalyst systems that include a carbon-coated acid catalyst may be similarly performed by coating a metal catalyst particle with a carbon-containing small molecule to produce a coated metal catalyst particle; carbonizing the carbon-containing small molecule on the coated metal catalyst particle to produce a carbon-coated metal catalyst particle; and mixing the carbon-coated metal catalyst particle with an acid catalyst particle to produce an acid/metal bifunctional catalyst system.
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