-
公开(公告)号：US20250100956A1
公开(公告)日：2025-03-27
申请号：US18724806
申请日：2022-12-22
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor： Shahid Azam , Ashim Kumar Ghosh , Vinu Viswanath , Bander Bawareth , Zheng Liu , Aspi Kersasp Kolah , Debashis Chakraborty , Andrei Merenov
Abstract: The disclosure provides a method of purifying a linear alpha olefin product, the method including feeding a linear alpha olefin feed stream comprising the linear alpha olefin product and at least one impurity into a distillation column, the distillation column having a plurality of stacked stages; withdrawing a side stream from at least one of said plurality of stacked stages; feeding the side stream into a reactor containing an isomerization catalyst to convert at least a portion of the at least one impurity from a first isomer to a second isomer, producing a reactor product stream having a reduced content of the first isomer; returning the reactor product stream to a stage of the distillation column; and withdrawing an overhead stream from the distillation column comprising the linear alpha olefin product and having a reduced content of the at least one impurity.
-
公开(公告)号：US20170368542A1
公开(公告)日：2017-12-28
申请号：US15533608
申请日：2015-11-18
Applicant: SABIC Global Technologies B.V.
Inventor： Ashim Kumar Ghosh , Alla Khanmamedova , Mike Mier , Jonathan Banke
CPC classification number: B01J29/85 , B01J29/90 , B01J35/002 , C01B37/08 , C01B39/54 , C01P2002/86 , C07C1/26 , C07C11/04 , C07C11/06 , C07C2529/85 , Y02P20/52 , Y02P20/584 , C07C11/08
Abstract: Disclosed is a catalyst capable of producing an olefin from an alkyl halide, the catalyst comprising a silicoaluminophosphate (SAPO) having a chabazite zeolite structure with the following chemical composition (SixAlyPz)O2, where x, y, and z represent the mole fractions of silicon, aluminum, and phosphorus, respectively, present as tetrahedral oxides, x is 0.01 to 0.30 and the sum of x+y+z is 1, and where the catalyst comprises silicon tetrahedral oxides that are connected with three or less aluminum tetrahedral oxide as shown by 29Si magic angle spinning (MAS) nuclear magnetic resonance (NMR) spectroscopy peak(s) with peak(s) maxima between −93 ppm and −115 ppm.
-
公开(公告)号：US20160362349A1
公开(公告)日：2016-12-15
申请号：US15120780
申请日：2015-06-30
Applicant: Ashim Kumar GHOSH , Neeta KULKARNI , Mike MIER , SABIC GLOBAL TECHNOLOGIES B.V.
Inventor： Ashim Kumar Ghosh , Neeta Kulkarni , Mike Mier
CPC classification number: C07C1/30 , B01J29/85 , B01J35/002 , B01J35/1019 , B01J37/28 , B01J2229/186 , C07C1/26 , C07C2529/85 , Y02P20/52 , C07C11/02 , C07C11/04 , C07C11/06
Abstract: Disclosed are stable catalysts, and methods for their use, that are capable of producing an olefin from an alkyl halide. The catalysts include a phosphorus-treated silicoalummophosphate (SAPO) having a structure of X/SAPO or X/Z-SAPO, where X includes a non-framework phosphorus and Z is one or more elements from Groups 2A, 3A, IVB, VIB, VIIB, VIII, IB of the Periodic Table, or compounds thereof comprised in the SAPO framework.
Abstract translation: 公开了能够从烷基卤生产烯烃的稳定的催化剂及其使用方法。 催化剂包括具有X / SAPO或X / Z-SAPO结构的磷处理的磷硅酸钠（SAPO），其中X包括非骨架磷，Z是来自2A，3A，IVB，VIB， VIIB，VIII，IB，或其化合物包含在SAPO框架中。
-
公开(公告)号：US20160347682A1
公开(公告)日：2016-12-01
申请号：US15155686
申请日：2016-05-16
Applicant: Sabic Global Technologies, B.V.
Inventor： Ashim Kumar Ghosh
IPC: C07C1/30
CPC classification number: C07C1/30 , B01J29/00 , B01J29/70 , B01J29/90 , B01J2229/10 , C07C1/26 , C07C2529/70 , Y02P20/52 , Y02P20/584 , C07C11/04 , C07C11/06
Abstract: A method for converting an alkyl halide to an olefin, the method comprising contacting a crystalline zeolite catalyst having an STI framework topology with a feed comprising the alkyl halide under reaction conditions sufficient to produce an olefin product comprising C2 to C5+ olefins, wherein the crystalline zeolite catalyst has a compositional formula: My/n[SixQyO2(x+y)] where M is a cation; n is the charge of the cation, y/n is the number of cations; x/y is equal to or greater than 5; and Q is aluminum, gallium iron, boron, indium, or mixtures thereof.
Abstract translation: 其中M是阳离子; n是阳离子的电荷，y / n是阳离子的数量; x / y等于或大于5; Q是铝，镓铁，硼，铟或它们的混合物。
-
5.发明申请STABLE SILICOALUMINOPHOSPHATE CATALYSTS FOR CONVERSION OF ALKYL HALIDES TO OLEFINS 有权稳定的硅烷基磷酸酯催化剂用于将烯烃转化成烯烃公开(公告)号：US20160271597A1
公开(公告)日：2016-09-22
申请号：US14907598
申请日：2015-07-28
Applicant: Ashim Kumar GHOSH , Alla KHANMAMEDOVA , Mike MIER , Jonathan BANKE , SABIC Global Technologies B.V.
Inventor： Ashim Kumar Ghosh , Alla Khanmamedova , Mike Mier , Jonathan Banke
CPC classification number: B01J29/85 , B01J7/00 , B01J35/002 , B01J35/023 , B01J35/1061 , B01J2229/37 , C01B39/54 , C07C1/26 , C07C2529/85 , Y02P20/52 , Y02P20/584 , Y02P30/42 , C07C11/04 , C07C11/06 , C07C11/08
Abstract: Disclosed is a method for converting an alkyl halide to an olefin. The method includes contacting a silicoaluminophosphate (SAPO) catalyst with a feed that includes an alkyl halide under reaction conditions sufficient to produce an olefin hydrocarbon product that includes C2 to C4 olefins. The SAPO catalyst has bimodal acidity designated as weak acid sites and strong acid sites. The weak acid concentration is less than 0.55 mmol/g-cat and the total acid concentration is less than 1.5 mmol/g-cat.
Abstract translation: 公开了将烷基卤转化为烯烃的方法。 该方法包括在足以产生包括C 2至C 4烯烃的烯烃产物的反应条件下使硅铝磷酸盐（SAPO）催化剂与包含烷基卤的进料接触。 SAPO催化剂具有指定为弱酸性位点和强酸性位点的双峰酸性。 弱酸浓度小于0.55 mmol / g-cat，总酸浓度小于1.5 mmol / g-cat。
-
Patent Agency Ranking
公开(公告)号：US20160200642A1
公开(公告)日：2016-07-14
申请号：US14899003
申请日：2015-06-29
Applicant: Ashim Kumar GHOSH , Mike MIER , SABIC GLOBAL TECHNOLOGIES B.V.
Inventor： Ashim Kumar Ghosh , Mike Mier
CPC classification number: B01J29/40 , B01J29/90 , C01B39/38 , C07C1/26 , C07C2529/40 , C08F10/00 , Y02P20/52 , Y02P20/584 , C07C11/04 , C07C11/06 , C07C11/08
Abstract: Disclosed is a method for converting an alkyl halide to an olefin. The method can include contacting a zeolite catalyst comprising HZSM-5 having a silica to alumina (SAR) ratio of at least 30 with a feed that includes an alkyl halide under reaction conditions sufficient to produce an olefin hydrocarbon product comprising C2 to C4 olefins, wherein the selectivity of the C2 to C4 olefins is at least 85% at 20% alkyl halide conversion.
Abstract translation: 公开了将烷基卤转化为烯烃的方法。 该方法可以包括使包含至少30的二氧化硅与氧化铝（SAR）比率的HZSM-5的沸石催化剂与足以产生包含C 2 -C 4烯烃的烯烃产物的反应条件下的包含烷基卤的进料接触，其中 在20％烷基卤转化时，C2至C4烯烃的选择性至少为85％。
-
公开(公告)号：US10710058B2
公开(公告)日：2020-07-14
申请号：US16317387
申请日：2017-08-01
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor： Ashim Kumar Ghosh , Alla Khanmamedova
IPC: B01J29/06 , B01J29/44 , B01J35/00 , B01J35/02 , B01J37/00 , B01J37/04 , B01J37/08 , C10G7/00 , C10G47/18 , B01J29/068 , B01J29/12 , B01J29/22 , B01J29/74 , B01J29/67
Abstract: Disclosed herein is a process for preparing a hydrocracking catalyst, comprising (i) combining a zeolite, a binder, water and a hydrogenating metal compound which is a complex or a salt of a hydrogenating metal to obtain a mixture, wherein the zeolite has not been treated with a phosphorus-containing compound and the zeolite has a silica to alumina molar ratio of 5-200; (ii) forming the mixture into a shaped body; and (iii) calcining the shaped body to form the catalyst.
-
公开(公告)号：US20190321809A1
公开(公告)日：2019-10-24
申请号：US16317387
申请日：2017-08-01
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor： Ashim Kumar Ghosh , Alla Khanmamedova
Abstract: Disclosed herein is a process for preparing a hydrocracking catalyst, comprising (i) combining a zeolite, a binder, water and a hydrogenating metal compound which is a complex or a salt of a hydrogenating metal to obtain a mixture, wherein the zeolite has not been treated with a phosphorus-containing compound and the zeolite has a silica to alumina molar ratio of 5-200; (ii) forming the mixture into a shaped body; and (iii) calcining the shaped body to form the catalyst.
-
公开(公告)号：US20240067588A1
公开(公告)日：2024-02-29
申请号：US18259962
申请日：2021-12-20
Applicant: SABIC Global Technologies B.V.
Inventor： Shahid Azam , Abdulmajeed Mohammed Al-Hamdan , Mohammed Fahad Al-Anazi , Bander Bawareth , Ashim Kumar Ghosh , Debashis Chakraborty , Somak Paul , Rajan V. Deshmukh , Ahmed Hussain Eissa , Omar A. Marghalani , Sebastiano Licciulli
CPC classification number: C07C5/222 , C07C7/005 , C07C2529/40
Abstract: A method for purifying 1-hexene is disclosed. The method can include contacting a first stream containing 1-hexene and 2-ethyl-1-butene with an isomerization catalyst containing an comprising an alumina, silica-alumina, a zeolite, or an ion exchange resin, or any combinations thereof, under conditions sufficient to selectively isomerize at least a portion of 2-ethyl-1-butene into 3-methyl-2-pentene and form a second stream containing 1-hexene and 3-methyl-2-pentene, and separating the second stream into a third stream containing 1-hexene and a fourth stream containing 3-methyl-2-pentene.
-
公开(公告)号：US11090640B2
公开(公告)日：2021-08-17
申请号：US16342488
申请日：2017-10-17
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor： Ashim Kumar Ghosh , Alla Khanmamedova , Scott A. Stevenson
IPC: B01J29/44 , B01J37/08 , C10G47/18 , B01J37/06 , B01J37/02 , B01J23/42 , B01J29/40 , B01J21/04 , B01J35/02 , B01J37/00
Abstract: A method for preparing a hydrocracking catalyst comprising: (i) providing a shaped body comprising a zeolite and a binder, wherein the shaped body has been obtained by shaping, calcination and cooling, wherein the zeolite is ZSM-5 having a silica (SiO2) to alumina (Al2O3) molar ratio of 25-75; (ii) optionally drying the shaped body at a temperature of 100-300° C. for a period of at least 1 hour; (iii) depositing a hydrogenation metal on the shaped body by an impregnation for a period of at most 2 hours such that the amount of the hydrogenation metal is 0.010-0.30 wt % with respect to the total catalyst; (iv) optionally rinsing the metal deposited shaped body with water; and (v) heat-treating the metal deposited shaped body in air at a temperature of 250-300° C. for a period of 1-5 hours; wherein the catalyst comprises a total of less than 0.05 wt % sodium and cesium.
-
-
-
-
-
-
-
-
-
Search Results
14
records
(took 0.031 seconds)
