公开(公告)号：US20230173472A1

公开(公告)日：2023-06-08

申请号：US17924553

申请日：2021-05-11

Applicant: BP P.L.C.

Inventor： Corneliu Buda ,  Benjamin James Dennis-Smither ,  Fiona Jackson ,  John Glenn Sunley

IPC: B01J29/18 ,  B01J31/02 ,  B01J37/02 ,  B01J37/00 ,  B01J37/06 ,  C07C1/24

CPC classification number: B01J29/18 ,  B01J31/0244 ,  B01J37/0203 ,  B01J37/009 ,  B01J37/06 ,  B01J37/0236 ,  C07C1/24 ,  C07C2529/18

Abstract: A process for the preparation of ethylene by the dehydration of ethanol in the presence of a zeolite catalyst having the MOR framework code, wherein the process is operated at a temperature in the range of from 100° C. to 300° C., for example from 140° C. to 270° C., such as from 150° C. to 250° C., and wherein the zeolite catalyst having the MOR framework code has been modified by the adsorption of an optionally substituted pyridine compound.

公开(公告)号：US12084410B2

公开(公告)日：2024-09-10

申请号：US17433135

申请日：2019-02-22

Applicant: BP P.L.C. ,  BP (CHINA) HOLDINGS LTD

Inventor： Benjamin James Dennis-Smither ,  John Glenn Sunley ,  Zhiqiang Yang

IPC: C07C41/09 ,  B01J29/06 ,  B01J29/08 ,  B01J29/18 ,  B01J29/40 ,  B01J29/70

CPC classification number: C07C41/09 ,  B01J29/06 ,  B01J29/084 ,  B01J29/18 ,  B01J29/40 ,  B01J29/7007 ,  B01J29/7042 ,  B01J29/7046 ,  B01J2229/42

Abstract: A process for dehydrating methanol to dimethyl ether product in the presence of a catalyst and a promoter, wherein the catalyst is at least one aluminosilicate zeolite, wherein: —the aluminosilicate zeolite is selected from: (i) a zeolite having a 2-dimensional framework structure comprising at least one channel having a 10-membered ring, and having a maximum free sphere diameter of at least 4.8 Angstroms; (ii) a zeolite having a 3-dimensional framework structure comprising at least one channel having a 10-membered ring; or (iii) a zeolite comprising at least one channel having a 12-membered ring; —the promoter is selected from one or more compounds of Formula I: (I) wherein Y is selected from a C1-C4 hydrocarbyl substituent, and wherein each of X and any or all of the Z's may independently be selected from hydrogen, halide, a substituted or unsubstituted hydrocarbyl substituent, or a compound of the formula —CHO, —CO2R, —COR, or —OR, where R is hydrogen or a substituted or unsubstituted hydrocarbyl substituent, and wherein the molar ratio of promoter to methanol is maintained at less than 1.

公开(公告)号：US11673851B2

公开(公告)日：2023-06-13

申请号：US16641637

申请日：2018-08-24

Applicant: BP P.L.C. ,  BP (CHINA) HOLDINGS LTD

Inventor： Benjamin James Dennis-Smither ,  Neil Sainty ,  John Glenn Sunley

IPC: C07C41/09 ,  B01J29/10 ,  B01J29/18 ,  B01J29/70 ,  B01J35/02 ,  C07C43/04

CPC classification number: C07C41/09 ,  B01J29/106 ,  B01J29/18 ,  B01J29/7007 ,  B01J29/7015 ,  B01J35/023 ,  C07C43/043 ,  C07C41/09 ,  C07C43/043

Abstract: A process the dehydration of methanol to dimethyl ether in the presence of a solid Brønsted acid catalyst selected from aluminosilicate zeolites which have a maximum free sphere diameter of greater than 3.67 Angstroms and heteropolyacids and a promoter selected from methyl formate, dimethyl oxalate and dimethyl malonate and the molar ratio of promoter to methanol is maintained at less than 1.

公开(公告)号：US12084409B2

公开(公告)日：2024-09-10

申请号：US17433118

申请日：2019-02-22

Applicant: BP P.L.C. ,  BP (CHINA) HOLDINGS LTD

Inventor： Benjamin James Dennis-Smither ,  John Glenn Sunley ,  Zhiqiang Yang

IPC: C07C41/08 ,  B01J29/08 ,  B01J29/18 ,  B01J29/40 ,  B01J29/65 ,  B01J29/70 ,  B01J29/85 ,  C07C41/09

CPC classification number: C07C41/09 ,  B01J29/084 ,  B01J29/18 ,  B01J29/40 ,  B01J29/65 ,  B01J29/70 ,  B01J29/7007 ,  B01J29/7038 ,  B01J29/7042 ,  B01J29/7046 ,  B01J29/85 ,  C07C41/09 ,  C07C43/043

Abstract: A process for dehydrating methanol to dimethyl ether product in the presence of a catalyst and a promoter, wherein the catalyst is at least one aluminosilicate zeolite, and the promoter is selected from one or more compounds of Formula I: (I) wherein each of X and any or all of the Y's may independently be selected from hydrogen, halide, a substituted or unsubstituted hydrocarbyl substituent, or a compound of the formula —CHO, —CO2R, —COR, or —OR, where R is hydrogen or a substituted or unsubstituted hydrocarbyl substituent, and wherein the molar ratio of promoter to methanol is maintained at less than 1.

公开(公告)号：US11578026B2

公开(公告)日：2023-02-14

申请号：US17433122

申请日：2020-02-14

Applicant: BP P.L.C.

Inventor： Benjamin James Dennis-Smither ,  John Glenn Sunley ,  Fiona Jackson

IPC: C07C41/09

Abstract: A process for dehydrating C2+ alcohols to ether products in the presence of a catalyst and promoter, wherein the catalyst is at least one aluminosilicate zeolite catalyst which is a medium pore zeolite having a 3-dimensional framework structure, and the promoter is one or more organic carbonyl compounds or derivatives thereof, and wherein and the molar ratio of promoter to C2+ alcohols is maintained at less than 1.

公开(公告)号：US11236032B2

公开(公告)日：2022-02-01

申请号：US16641642

申请日：2018-08-24

Applicant: BP P.L.C. ,  BP (CHINA) HOLDINGS LTD

Inventor： Benjamin James Dennis-Smither ,  John Glenn Sunley ,  Zhiqiang Yang

IPC: C07C41/09 ,  B01J29/40 ,  B01J29/70 ,  B01J29/18 ,  B01J29/08 ,  B01J23/30 ,  C07C43/04

Abstract: A process for dehydrating methanol to dimethyl ether using a Brønsted acid catalyst which is a 1-dimensional or a 3-dimensional aluminosilicate zeolite or a heteropolyacid, and a promoter of Formula I CnH(2n+1)CO2CH3 wherein n=1 to 11 or Formula II CmH2m(CO2CH3)2 wherein m=2 to 7 and the molar ratio of promoter to methanol is maintained at less than 1.

公开(公告)号：US11066350B2

公开(公告)日：2021-07-20

申请号：US16645610

申请日：2018-08-23

Applicant: BP P.L.C. ,  BP (CHINA) HOLDINGS LTD

Inventor： Benjamin James Dennis-Smither ,  John Glenn Sunley ,  Zhiqiang Yang

IPC: C07C41/09

Abstract: A process for dehydrating methanol to dimethyl ether product in the presence of an aluminosilicate zeolite catalyst and a promoter selected from (i) aldehyde of formula R1CHO (Formula I) in which R1 is hydrogen, a C1-C11 alkyl group or a C3-C11 alkyl group in which 3 or more carbon atoms are joined to form a ring; or (ii) acetal derivative of an aldehyde of Formula I; and the molar ratio of promoter to methanol is maintained at 0.1 or less.

公开(公告)号：US11427524B2

公开(公告)日：2022-08-30

申请号：US16641629

申请日：2018-08-24

Applicant: BP P.L.C. ,  BP (CHINA) HOLDINGS LTD

Inventor： Benjamin James Dennis-Smither ,  John Glenn Sunley

IPC: C07C41/09 ,  B01J29/08 ,  B01J29/18 ,  B01J29/40 ,  B01J29/65 ,  B01J29/70 ,  B01J31/02 ,  B01J31/26 ,  C07C43/04

Abstract: A process for dehydrating methanol to dimethyl ether product in the presence of a solid Brønsted acid catalyst which is an aluminosilicate zeolite or a heteropolyacid and a promoter which is (i) a ketone of formula R1COR2 (Formula I) in which R1 and R2 are identical or different and are each a C1-C11 alkyl group and furthermore R1 and R2 together with the carbonyl carbon atom to which they are bonded may form a cyclic ketone; or (ii) a ketal derivative of a ketone of Formula I; and the molar ratio of promoter to methanol is maintained at 0.5 or less.

公开(公告)号：US20210163390A1

公开(公告)日：2021-06-03

申请号：US16641642

申请日：2018-08-24

Applicant: BP P.L.C. ,  BP (CHINA) HOLDINGS LTD

Inventor： Benjamin James Dennis-Smither ,  John Glenn Sunley ,  Zhiqiang Yang

IPC: C07C41/09 ,  B01J29/40

Abstract: A process for dehydrating methanol to dimethyl ether using a Brønsted acid catalyst which is a 1-dimensional or a 3-dimensional aluminosilicate zeolite or a heteropolyacid, and a promoter of Formula I CnH(2n+1)CO2CH3 wherein n=1 to 11 or Formula II CmH2m(CO2CH3)2 wherein m=2 to 7 and the molar ratio of promoter to methanol is maintained at less than 1.