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公开(公告)号:US12030037B2
公开(公告)日:2024-07-09
申请号:US17295931
申请日:2019-12-04
Applicant: SABIC Global Technologies B.V.
Inventor: Wugeng Liang , David West , Hector Perez , Sagar Sarsani , Luanyi Elizabeth Li
CPC classification number: B01J23/30 , B01J21/08 , C07C2/84 , C07C2521/08 , C07C2523/30
Abstract: A catalyst composition, suitable for producing ethylene and other C2+ hydrocarbons, from methane. The composition comprises a blended product of two distinct catalyst components, blended at such synergistic proportions that results in a catalyst having high ethylene selectivity while maintaining low ethyne selectivity and sufficient catalytic activity rate. The invention further provides a method for preparing such a catalyst composition and a process for producing ethylene and other C2+ hydrocarbons, using such a catalyst composition.
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公开(公告)号:US11154841B2
公开(公告)日:2021-10-26
申请号:US17252828
申请日:2019-08-07
Applicant: Wugeng Liang , Luanyi Li , Vidya Sagar Reddy Sarsani , Hector Perez , David West , Sabic Global Technologies, B.V.
Inventor: Wugeng Liang , Luanyi Li , Vidya Sagar Reddy Sarsani , Hector Perez , David West
IPC: B01J23/10 , B01J23/04 , B01J35/10 , B01J37/08 , C01B3/38 , C07C2/84 , C07C11/04 , B82Y30/00 , B82Y40/00
Abstract: An OCM nanoplate catalyst comprising ≥25 wt. % nanoplates; wherein a nanoplate is a three-dimensional object defined in accordance with ISO/TS 80004-2:2015; wherein a nanoplate is characterized by a first external dimension (thickness (t)≤100 nm), a second external dimension (length (l)>t), and a third external dimension (width (w)>t); wherein l and w can be the same or different; and wherein l≥5 t, w≥5 t, or l≥5 t and w≥5 t; and wherein the OCM nanoplate catalyst has general formula AaZbEcDdOx; wherein A=alkaline earth metal; Z=first rare earth element; E=second rare earth element; D=redox agent/third rare earth element; wherein the first, second, and third rare earth element are not the same; wherein a=1.0; wherein b=1.0 to 3.0; wherein c=0 to 1.5; wherein d=0 to 1.5; wherein (b>(c+d)); and wherein x balances the oxidation states.
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公开(公告)号:US10717068B2
公开(公告)日:2020-07-21
申请号:US15579332
申请日:2016-05-02
Applicant: SABIC Global Technologies B.V.
Inventor: Wugeng Liang , Sagar Sarsani , David West , James Lowrey , Aghaddin Mamedov , Istvan Lengyel
Abstract: A metal oxide catalyst capable of catalyzing an oxidative coupling of methane reaction is described. The metal oxide catalyst includes a lanthanum (La) cerium (Ce) metal oxide and further including a lanthanum hydroxide (La(OH)3) crystalline phase. The catalyst is capable of catalyzing the production of C2+ hydrocarbons from methane and oxygen. Methods and systems of using the metal oxide catalyst to produce C2+ hydrocarbons from a reactant gas are also described.
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公开(公告)号:US11986800B2
公开(公告)日:2024-05-21
申请号:US17785216
申请日:2020-11-10
Applicant: SABIC GLOBAL TECHNOLOGIES, B.V.
Inventor: Wugeng Liang , Dick Nagaki , Yu-Lun Fang , David West
CPC classification number: B01J23/10 , B01J21/04 , B01J37/0201 , B01J37/088 , C07C2/84 , C07C2521/04 , C07C2523/02 , C07C2523/10
Abstract: The invention relates to a composition containing a catalyst having high catalytic stability for conducting oxidative coupling of methane (OCM) at high carbon efficiency, while improving both methane and oxygen conversion. Particularly, the inventive catalyst is a metal oxide supported catalyst, which contains an alkali metal promoter and a mixed metal oxide component having at least one alkali earth metal and at least one rare earth metal. The metal oxide support is selected in a manner, such that at least a portion of the metal oxide support is capable of reacting with at least a part or whole of the alkali metal promoter under conditions of calcination during catalyst preparation. The invention further provides a method for preparing such a metal oxide supported catalyst composition, using a calcination process. Additionally, the invention further describes a process for producing C2+ hydrocarbons, using such a catalyst composition.
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公开(公告)号:US11439984B2
公开(公告)日:2022-09-13
申请号:US16821409
申请日:2020-03-17
Applicant: Sabic Global Technologies, B.V.
Inventor: Wugeng Liang , Luanyi Li , Hector Perez , Jae Hyung Kim , Pankaj Gautam , Vidya Sagar Reddy Sarsani , David West
Abstract: A supported oxidative coupling of methane (OCM) catalyst comprising a support and an OCM catalytic composition characterized by the general formula AaZbEcDdOx; wherein A is an alkaline earth metal; wherein Z is a first rare earth element; wherein E is a second rare earth element; wherein D is a redox agent or a third rare earth element; wherein the first rare earth element, the second rare earth element, and the third rare earth element, when present, are not the same; wherein a is 1.0; wherein b is from about 0.1 to about 10.0; wherein c is from about 0.1 to about 10.0; wherein d is from about 0 to about 10.0; and wherein x balances the oxidation states.
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公开(公告)号:US11090633B2
公开(公告)日:2021-08-17
申请号:US16743714
申请日:2020-01-15
Applicant: SABIC Global Technologies B.V.
Inventor: Wugeng Liang , David West , Hector Perez , Sagar Sarsani , Luanyi Elizabeth Li , Pankaj Gautam
Abstract: A catalyst composition, suitable for producing ethylene and other C2+ hydrocarbons from methane. The composition includes a blended product of two distinct catalyst components, blended at such synergistic proportions, that results in a catalyst having high C2+ hydrocarbon selectivity while maintaining an overall sufficient catalyst activity and low ethyne selectivity. Methods for preparing such a catalyst composition and a process for producing C2+ hydrocarbons using such a catalyst composition are provided.
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公开(公告)号:US11753357B2
公开(公告)日:2023-09-12
申请号:US17769884
申请日:2020-09-21
Applicant: SABIC Global Technologies B.V. , Wugeng Liang , Azim Ali , Hector Perez , Jae Hyung Kim , Pankaj Gautam , David West
Inventor: Wugeng Liang , Azim Ali , Hector Perez , Jae Hyung Kim , Pankaj Gautam , David West
CPC classification number: C07C2/84 , B01J23/002 , B01J23/02 , B01J23/10 , B01J35/0006 , B01J35/108 , B01J35/1009 , B01J35/1014 , B01J35/1038 , B01J35/1042 , B01J37/0236 , B01J2523/24 , B01J2523/3706 , C07C2523/02 , C07C2523/10
Abstract: A multilayer supported oxidative coupling of methane (OCM) catalyst composition (alpha-Al2O3 support, first single oxide layer, one or more mixed oxide layers, optional second single oxide layer) characterized by formula AaZbEcDdOx/alpha-Al2O3; A is alkaline earth metal; Z is first rare earth element; E is second rare earth element; D is redox agent/third rare earth element; the first, second, third rare earth element are not the same; a=1.0; b=0.1-10.0; c=0.1-10.0; d=0-10.0; x balances oxidation states; first single oxide layer (Zb1Ox1, b1=0.1-10.0; x1 balances oxidation states) contacts alpha-Al2O3 support and one or more mixed oxide layers; one or more mixed oxide layers (Aa2Zb2Ec2Dd2Ox2, a2=1.0; b2=0.1-10.0; c2=0.1-10.0; d2=0-10.0; x2 balances oxidation states; AaZbEcDdOx and Aa2Zb2Ec2Dd2Ox2 are different) contacts first single oxide layer and optionally second single oxide layer, and second single oxide layer (AO), when present, contacts one or more mixed oxide layers and optionally first single oxide layer.
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公开(公告)号:US20200048164A1
公开(公告)日:2020-02-13
申请号:US16343095
申请日:2017-10-17
Applicant: SABIC Global Technologies B.V.
Inventor: Sagar Sarsani , Wugeng Liang , Dick Nagaki , Krishnan Sankaranarayanan , David West , Aghaddin Mamedov
Abstract: A method of selecting a stable mixed metal oxide catalyst for an oxidative coupling of methane (OCM) reaction is disclosed. The method may include, obtaining a mixed metal oxide material having catalytically active metal oxides for the OCM reaction and identifying the Tammann temperature (TTam) of at least one of the catalytically active metals oxides of the mixed metal oxide material. The method further includes selecting the mixed metal oxide material for use as a catalyst in the OCM reaction if the at least one catalytically active metal oxides present in the mixed metal oxide material has a TTam greater than a predetermined temperature.
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公开(公告)号:US20180162785A1
公开(公告)日:2018-06-14
申请号:US15579385
申请日:2016-05-02
Applicant: SABIC Global Technologies B.V.
Inventor: Wugeng Liang , Sagar Sarsani , David West , James Lowrey , Aghaddin Mamedov , Istvan Lengyel
CPC classification number: C07C2/84 , B01J19/245 , B01J21/08 , B01J23/10 , B01J23/34 , B01J35/0006 , B01J35/002 , B01J37/0236 , B01J2219/00074 , B01J2219/24 , C07C2521/08 , C07C2523/04 , C07C2523/10 , C07C2523/30 , C07C2523/34 , Y02P20/52 , Y02P30/42 , C07C11/04 , C07C11/06 , C07C11/08
Abstract: Disclosed is a process for producing C2+ hydrocarbons, and systems for implementing the process, that includes providing a reactant feed that includes methane and an oxygen containing gas to a first reaction zone, wherein the temperature of the reactant feed is less than 700° C. contacting the reactant feed with a first catalyst capable of catalyzing an oxidative coupling of methane reaction (OCM) to produce a first product stream that includes C2+ hydrocarbons and heat, and contacting the first product stream with a second catalyst capable of catalyzing an OCM reaction to produce a second product stream that includes C2+ hydrocarbons, wherein the produced heat is at least partially used to heat the first product stream prior to or during contact with the second catalyst, wherein the amount of C2+ hydrocarbons in the second product stream is greater than the amount of C2+ hydrocarbons in the first product stream.
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10.
公开(公告)号:US20170226029A1
公开(公告)日:2017-08-10
申请号:US15518993
申请日:2015-12-09
Applicant: SABIC Global Technologies B.V
Inventor: Aghaddin Mamedov , David West , Vemuri Balakotaiah , Sagar Sarsani , Wugeng Liang
CPC classification number: C07C2/84 , B01J8/0278 , B01J21/08 , B01J23/002 , B01J23/34 , B01J35/0006 , B01J2523/00 , C01B3/38 , C01B2203/0238 , C01B2203/0838 , C01B2203/1041 , C01B2203/1082 , C01B2203/1241 , C07C2521/04 , C07C2521/08 , C07C2521/10 , C07C2523/04 , C07C2523/10 , C07C2523/30 , C07C2523/34 , Y02P20/128 , Y02P20/52 , B01J2523/12 , B01J2523/3706 , B01J2523/41 , B01J2523/69 , B01J2523/72 , C07C11/04
Abstract: Disclosed is a method for production of synthesis gas and ethylene by a combined oxidative coupling and dry reforming of methane process. Heat generated from the oxidative coupling of methane can be used to drive the endothermic dry reforming of methane reaction.
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