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公开(公告)号：US10696607B2
公开(公告)日：2020-06-30
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
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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公开(公告)号：US20170240488A1
公开(公告)日：2017-08-24
申请号：US15518930
申请日：2015-12-09
Applicant: SABIC Global Technologies B.V
Inventor： David West , Wugeng Liang , Sagar Sarsani , Vemuri Balakotaiah , Aghaddin Mamedov
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 ethylene by an oxidative coupling of methane process in the presence of a catalytic material. Heat generated from the oxidative coupling of methane can be transferred to an inert material in an amount sufficient to reduce thermal deactivation of the catalytic material.
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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：US10357759B2
公开(公告)日：2019-07-23
申请号：US15317445
申请日：2015-07-16
Applicant: SABIC Global Technologies B.V.
Inventor： Lawrence D'Souza , Vinu Viswanath , Ugo Ravon , Aghaddin Mamedov
IPC: B01J23/89 , B01J23/78 , B01J37/00 , B01J37/08 , B01J37/04 , B01J23/00 , C01B3/40 , B01J21/08 , B01J35/00 , B01J35/02
Abstract: Disclosed are metal oxide catalysts, and methods for their use, that includes a bulk metal oxide catalyst composed of at least two metals and nesosilicate. The catalyst is capable of catalyzing the carbon dioxide reforming of methane to produce hydrogen and carbon monoxide.
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公开(公告)号：US20170120227A1
公开(公告)日：2017-05-04
申请号：US15317445
申请日：2015-07-16
Applicant: Lawrence D'Souza , Vinu Viswanath , Ugo Ravon , Aghaddin Mamedov , SABIC Global Technologies B.V.
Inventor： Lawrence D'Souza , Vinu Viswanath , Ugo Ravon , Aghaddin Mamedov
CPC classification number: B01J23/8946 , B01J21/08 , B01J23/002 , B01J23/78 , B01J35/002 , B01J35/023 , B01J37/0009 , B01J37/0036 , B01J37/0063 , B01J37/04 , B01J37/08 , B01J2523/00 , C01B3/40 , C01B2203/0238 , C01B2203/0405 , C01B2203/1064 , C01B2203/107 , C01B2203/1235 , C01B2203/1241 , Y02P20/52 , B01J2523/22 , B01J2523/41 , B01J2523/847 , B01J2523/23 , B01J2523/828 , B01J2523/821 , B01J2523/822 , B01J2523/827
Abstract: Disclosed are metal oxide catalysts, and methods for their use, that includes a bulk metal oxide catalyst composed of at least two metals and nesosilicate. The catalyst is capable of catalyzing the carbon dioxide reforming of methane to produce hydrogen and carbon monoxide.
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公开(公告)号：US11148985B2
公开(公告)日：2021-10-19
申请号：US16481790
申请日：2018-01-29
Applicant: Sabic Global Technologies, B.V. , Aghaddin Mamedov , David West , Vidya Sagar Reddy Sarsani , Wugeng Liang
Inventor： Aghaddin Mamedov , David West , Vidya Sagar Reddy Sarsani , Wugeng Liang
Abstract: A process for producing ethylene and syngas comprising reacting, via OCM, first reactant mixture (CH4&O2) in first reaction zone comprising OCM catalyst to produce first product mixture comprising ethylene, ethane, hydrogen, CO2, CO, and unreacted methane; introducing second reactant mixture comprising first product mixture to second reaction zone excluding catalyst to produce second product mixture comprising ethylene, ethane, hydrogen, CO, CO2, and unreacted methane, wherein a common reactor comprises both the first and second reaction zones, wherein ethane of second reactant mixture undergoes cracking to ethylene, wherein CO2 of second reactant mixture undergoes hydrogenation to CO, and wherein an amount of ethylene in the second product mixture is greater than in the first product mixture; recovering methane stream, ethane stream, CO2 stream, ethylene stream, and syngas stream (CO&H2) from the second product mixture; and recycling the ethane stream and the carbon dioxide stream to second reaction zone.
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公开(公告)号：US11091410B2
公开(公告)日：2021-08-17
申请号：US16491398
申请日：2018-03-05
Applicant: SABIC Global Technologies, B.V.
Inventor： Wugeng Liang , Sagar Sarsani , Aghaddin Mamedov , Hector Perez , David West , Istvan Lengyel
Abstract: A mixed oxide catalyst for the oxidative coupling of methane can include a catalyst with the formula AaBbCcDdOx, wherein: element A is selected from alkaline earth metals; elements B and C are selected from rare earth metals, and wherein elements B and C are different rare earth metals; the oxide of at least one of A, B, C, and D has basic properties; the oxide of at least one of A, B, C, and D has redox properties; and elements A, B, C, and D are selected to create a synergistic effect whereby the catalytic material provides a methane conversion of greater than or equal to 15% and a C2+ selectivity of greater than or equal to 70%. Systems and methods can include contacting the catalyst with methane and oxygen and purifying or collecting C2+ products.
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8.发明授权
公开(公告)号：US10669218B2
公开(公告)日：2020-06-02
申请号：US16532056
申请日：2019-08-05
Applicant: Sabic Global Technologies, B.V.
Inventor： Aghaddin Mamedov
Abstract: A process for producing ethylene comprising: (a) reacting a reactant mixture in a reactor to yield a product mixture, wherein the reactor comprises a catalyst, wherein the reactant mixture comprises ethane, oxygen, and a chlorine intermediate precursor, wherein the product mixture comprises ethylene, unreacted ethane, carbon monoxide, and carbon dioxide, wherein the catalyst comprises a redox agent, an alkali metal, and a rare earth element; and (b) recovering at least a portion of the ethylene from the product mixture. The reacting in step (a) further comprises (i) contacting at least a portion of the chlorine intermediate precursor with the catalyst to form a chlorinated catalyst; (ii) allowing at least a portion of the chlorinated catalyst to generate a chlorine intermediate; and (iii) allowing at least a portion of the reactant mixture to react via the chlorine intermediate.
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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.
