公开(公告)号：US12115521B2

公开(公告)日：2024-10-15

申请号：US17436121

申请日：2020-03-26

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Maryam Peer ,  Joseph E. Gatt ,  Preeti Kamakoti ,  William J. Knaeble ,  Wenyih F. Lai ,  Paul Podsiadlo ,  Dominick A. Zurlo ,  Thomas J. Ferro ,  Doron Levin ,  Benjamin C. Gamoke

IPC: B01J29/40 ,  B01J29/18 ,  B01J29/80 ,  B01J35/61 ,  B01J37/00 ,  C07C6/12

CPC classification number: B01J29/40 ,  B01J29/18 ,  B01J29/80 ,  B01J35/613 ,  B01J37/0009 ,  C07C6/126 ,  C07C2529/40

Abstract: Methods and corresponding catalysts are provided for conversion of an aromatics feed containing C8+ aromatics, particularly C9+ aromatics, to form a converted product mixture comprising, e.g., benzene and/or xylenes. The aromatic feed can be converted in the presence of a catalyst that includes a mixture of a first zeolite having an MEL framework, such as ZSM-11, and a second zeolite having a MOR framework, such as mordenite, particularly a mordenite synthesized using TEA or MTEA as a structure directing agent. The weight ratio of the first zeolite to the second zeolite in the catalyst can be from 0.3 to 1.2, or from 0.3 to 1.1, or from 0.3 to 1.0. The catalyst can further include one or more metals supported on the catalyst, such as a combination of metals.

公开(公告)号：US11951463B2

公开(公告)日：2024-04-09

申请号：US16497239

申请日：2018-03-19

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Matthew S. Ide ,  Brett T. Loveless ,  Doron Levin ,  William W. Lonergan ,  Matthew J. Vincent ,  Wei-Ping Tai ,  Federico Barrai

IPC: B01J35/02 ,  B01J29/08 ,  B01J29/18 ,  B01J29/70 ,  B01J35/10 ,  C07C2/66

CPC classification number: B01J29/7038 ,  B01J29/08 ,  B01J29/18 ,  B01J29/70 ,  B01J29/7007 ,  B01J35/023 ,  B01J35/1019 ,  B01J35/1038 ,  B01J35/1042 ,  B01J35/1071 ,  C07C2/66 ,  C07C2529/70

Abstract: Catalyst compositions comprising a zeolite and a mesoporous support or binder are disclosed. The mesoporous support or binder comprises a mesoporous metal oxide having a particle diameter of greater than or equal to 20 μm at 50% of the cumulative pore size distribution (d50). Also disclosed are processes for producing a mono-alkylated aromatic compound (e.g., ethylbenzene or cumene) which exhibit improved yield of the mono-alkylated aromatic compound using alkylation catalysts comprising one or more of these catalyst compositions.

公开(公告)号：US20210394163A1

公开(公告)日：2021-12-23

申请号：US17284636

申请日：2019-10-10

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Larry L. Iaccino ,  Jeremy W. Bedard ,  Xiaoying Bao ,  Andrew P. Palermo ,  Nitish Mittal ,  Maria Milina ,  Doron Levin ,  William R. Gunther ,  Wenyih F. Lai ,  Tilman W. Beutel

IPC: B01J29/44 ,  B01J29/46 ,  B01J37/08 ,  B01J37/04 ,  B01J37/00 ,  B01J37/02 ,  B01J6/00 ,  B01J8/02 ,  C07C5/373

Abstract: A catalyst comprising a microporous crystalline metallosilicate having a Constraint Index of 12, or 10, or 8, or 6 or less, a binder, a Group 1 alkali metal or a compound thereof and/or a Group 2 alkaline earth metal or a compound thereof, a Group 10 metal or a compound thereof, and, optionally, a Group 11 metal or a compound thereof; wherein the catalyst is calcined in a first calcining step before the addition of the Group 10 metal or compound thereof and optionally the Group 11 metal or compound thereof; and wherein the first calcining step includes heating the catalyst to first temperatures of greater than 500° C.; and wherein the catalyst is calcined in a second calcining step after the addition of the Group 10 metal or compound thereof and optionally the Group 11 metal or compound thereof wherein the second calcining step includes heating the catalyst to temperatures of greater than 400° C.

公开(公告)号：US20210032182A1

公开(公告)日：2021-02-04

申请号：US16759866

申请日：2018-11-15

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Michel Molinier ,  Hari Nair ,  Scott J. Weigel ,  Michael Salciccioli ,  Doron Levin

IPC: C07C2/64 ,  C07C4/18 ,  C07C6/12 ,  C07C7/00 ,  B01J19/00

Abstract: A process and related system for producing para-xylene (PX). In an embodiment, the process includes (a) separating a feed stream comprising C6+ aromatic hydrocarbons into a toluene containing stream and a C8+ hydrocarbon containing stream and (b) contacting at least part of the toluene containing stream with a methylating agent in a methylation unit to convert toluene to xylenes and produce a methylated effluent stream. In addition, the process includes (c) recovering PX from the methylated effluent stream in (b) to produce a PX depleted stream and (d) transalkylating the PX depleted stream to produce a transalkylation effluent stream. The transalkylation effluent stream includes a higher concentration of toluene than the PX depleted stream. Further, the process includes (e) converting at least some ethylbenzene (EB) within the C8+ hydrocarbon containing stream into toluene and (f) flowing the toluene converted in (e) to the contacting in (b).

公开(公告)号：US20200377431A1

公开(公告)日：2020-12-03

申请号：US16497256

申请日：2018-03-19

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Matthew S. Ide ,  Doron Levin ,  Scott J. Weigei ,  Brett T. Loveless ,  Jean W. Beeckman

IPC: C07C7/13 ,  B01J29/70 ,  C07C2/66 ,  C07C6/12 ,  B01J35/10 ,  B01J35/02

Abstract: Methods for removing impurities from a hydrocarbon stream using a guard bed material are disclosed. The guard bed material includes compositions which comprises a zeolite and a mesoporous support or binder. The zeolite has a Constraint Index of less than 3. The mesoporous support or binder comprises a mesoporous metal oxide having a particle diameter of greater than or equal to 20 μm at 50% of the cumulative pore size distribution (d50), a pore volume of less than 1 cc/g, and an alumina content of greater than 75%, by weight. Also disclosed are processes for producing mono-alkylated aromatic compounds (e.g., ethylbenzene or cumene) using impure feed streams that are treated by the disclosed methods to remove impurities which act as catalyst poisons to downstream alkylation and/or transalkylation catalysts.

公开(公告)号：US20200179913A1

公开(公告)日：2020-06-11

申请号：US16479179

申请日：2018-02-07

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Matthew S. Ide ,  Doron Levin ,  Wenyih F. Lai ,  Ivy D. Johnson ,  Scott J. Weigel ,  Brett T. Loveless

IPC: B01J29/80 ,  B01J29/70 ,  B01J29/18 ,  B01J35/10 ,  B01J37/00 ,  C07C7/13 ,  C07C2/66 ,  C07C6/12

Abstract: Catalyst composition which comprises a first zeolite having a BEA* framework type and a second zeolite having a MOR framework type and a mesopore surface area of greater than 30 m2/g is disclosed. These catalyst compositions are used to remove catalyst poisons from untreated feed streams having one or more impurities which cause deactivation of the downstream catalysts employed in hydrocarbon conversion processes, such as those that produce mono-alkylated aromatic compounds.

公开(公告)号：US20190176131A1

公开(公告)日：2019-06-13

申请号：US16174372

申请日：2018-10-30

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Doron Levin ,  William A. Lamberti

IPC: B01J23/62 ,  B01J37/08 ,  B01J37/06 ,  B01J37/02 ,  B01J27/135 ,  B01J21/12 ,  C07C5/367 ,  C07C5/10 ,  C07C2/74 ,  C07C5/32

Abstract: Disclosed herein is are methods of preparing dehydrogenation catalysts comprising the steps of calcining a catalyst precursor in an oxygen-containing atmosphere followed by a calcining the calcined catalyst precursor in a hydrogen-containing atmosphere and/or washing the calcined catalyst precursor with water. The dehydrogenation catalysts prepared in accordance with the methods of the present disclosure typically comprise a halogen content of less than 0.1 wt % based on the weight of the dehydrogenation catalyst. Such catalysts may be particularly useful in the dehydrogenation of a feed comprising cyclohexane and/or methylcyclopentane.

公开(公告)号：US10118165B2

公开(公告)日：2018-11-06

申请号：US14870848

申请日：2015-09-30

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Wenyih F. Lai ,  Christine N. Elia ,  Jane C. Cheng ,  Shifang L. Luo ,  Hari Nair ,  Joshua I. Cutler ,  Doron Levin

IPC: C07C6/12 ,  C07C4/18 ,  B01J29/80 ,  B01J8/04 ,  B01J29/22 ,  B01J29/24 ,  B01J29/44 ,  B01J29/46 ,  B01J29/67 ,  B01J29/68 ,  B01J29/74 ,  B01J29/76 ,  B01J35/00 ,  B01J35/02 ,  B01J35/10 ,  B01J37/18 ,  C01B39/26

Abstract: Disclosed is a catalyst composition and its use in a process for the conversion of a feedstock containing C8+ aromatic hydrocarbons to produce light aromatic products, comprising benzene, toluene and xylene. The catalyst composition comprises a first zeolite having a constraint index of 3 to 12, a second zeolite comprising a mordenite zeolite synthesized from TEA or MTEA, at least one first metal of Group 10 of the IUPAC Periodic Table, and at least one second metal of Group 11 to 15 of the IUPAC Periodic Table, wherein said mordenite zeolite has a mesopore surface area of greater than 30 m2/g and said mordenite zeolite comprises agglomerates composed of primary crystallites, wherein said primary crystallites have an average primary crystal size as measured by TEM of less than 80 nm and an aspect ratio of less than 2.

公开(公告)号：US10058853B2

公开(公告)日：2018-08-28

申请号：US15004623

申请日：2016-01-22

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Wenyih F. Lai ,  Christine N. Elia ,  Jane C. Cheng ,  Shifang L. Luo ,  Hari Nair ,  Joshua I. Cutler ,  Doron Levin ,  Chuansheng Bai

IPC: C07C6/12 ,  C07C4/18 ,  B01J29/80 ,  B01J35/10 ,  B01J29/22 ,  B01J29/24 ,  B01J29/44 ,  B01J29/46 ,  B01J8/04 ,  B01J37/18 ,  B01J29/67 ,  B01J29/68 ,  B01J29/74 ,  B01J29/76 ,  B01J35/00 ,  B01J35/02 ,  C01B39/26

CPC classification number: B01J29/80 ,  B01J8/04 ,  B01J29/22 ,  B01J29/24 ,  B01J29/44 ,  B01J29/46 ,  B01J29/67 ,  B01J29/68 ,  B01J29/74 ,  B01J29/7446 ,  B01J29/7453 ,  B01J29/7461 ,  B01J29/7476 ,  B01J29/7484 ,  B01J29/7492 ,  B01J29/76 ,  B01J29/7646 ,  B01J29/7653 ,  B01J29/7661 ,  B01J29/7676 ,  B01J29/7684 ,  B01J29/7692 ,  B01J35/002 ,  B01J35/023 ,  B01J35/1014 ,  B01J35/1019 ,  B01J35/1023 ,  B01J35/1033 ,  B01J35/1052 ,  B01J35/108 ,  B01J37/0201 ,  B01J37/18 ,  B01J37/30 ,  B01J2208/027 ,  B01J2229/186 ,  B01J2229/42 ,  C01B39/265 ,  C07C4/18 ,  C07C6/126 ,  C07C15/06 ,  C07C2521/04 ,  C07C2529/18 ,  C07C2529/22 ,  C07C2529/24 ,  C07C2529/26 ,  C07C2529/40 ,  C07C2529/44 ,  C07C2529/46 ,  C07C2529/80 ,  C07C2529/87 ,  C10G45/62 ,  C10G45/64 ,  C10G45/70 ,  C10G2300/1096 ,  C10G2300/70 ,  C10G2400/30 ,  Y02P20/52

Abstract: Disclosed is a catalyst composition and its use in a process for the conversion of a feedstock containing C8+ aromatic hydrocarbons to produce light aromatic products, comprising benzene, toluene and xylene. The catalyst composition comprises a mordenite zeolite synthesized from TEA or MTEA, optionally at least one first metal of Group 10 of the IUPAC Periodic Table, and optionally at least one second metal of Group 11 to 15 of the IUPAC Periodic Table, wherein said mordenite zeolite has a mesopore surface area of greater than 30 m2/g and said mordenite zeolite comprises agglomerates composed of primary crystallites, wherein said primary crystallites have an average primary crystal size as measured by TEM of less than 80 nm and an aspect ratio of less than 2.

公开(公告)号：US20160220987A1

公开(公告)日：2016-08-04

申请号：US14870848

申请日：2015-09-30

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Wenyih F. Lai ,  Christine N. Elia ,  Jane C. Cheng ,  Shifang L. Luo ,  Hari Nair ,  Joshua I. Cutler ,  Doron Levin

IPC: B01J29/80 ,  C07C6/06 ,  B01J35/10

CPC classification number: B01J29/80 ,  B01J8/04 ,  B01J29/22 ,  B01J29/24 ,  B01J29/44 ,  B01J29/46 ,  B01J29/67 ,  B01J29/68 ,  B01J29/74 ,  B01J29/7446 ,  B01J29/7453 ,  B01J29/7461 ,  B01J29/7476 ,  B01J29/7484 ,  B01J29/7492 ,  B01J29/76 ,  B01J29/7646 ,  B01J29/7653 ,  B01J29/7661 ,  B01J29/7676 ,  B01J29/7684 ,  B01J29/7692 ,  B01J35/002 ,  B01J35/023 ,  B01J35/1014 ,  B01J35/1019 ,  B01J35/1023 ,  B01J35/1033 ,  B01J35/1052 ,  B01J35/108 ,  B01J37/0201 ,  B01J37/18 ,  B01J37/30 ,  B01J2208/027 ,  B01J2229/186 ,  B01J2229/42 ,  C01B39/265 ,  C07C4/18 ,  C07C6/126 ,  C07C15/06 ,  C07C2521/04 ,  C07C2529/18 ,  C07C2529/22 ,  C07C2529/24 ,  C07C2529/26 ,  C07C2529/40 ,  C07C2529/44 ,  C07C2529/46 ,  C07C2529/80 ,  C07C2529/87 ,  Y02P20/52

Abstract: Disclosed is a catalyst composition and its use in a process for the conversion of a feedstock containing C8+ aromatic hydrocarbons to produce light aromatic products, comprising benzene, toluene and xylene. The catalyst composition comprises a first zeolite having a constraint index of 3 to 12, a second zeolite comprising a mordenite zeolite synthesized from TEA or MTEA, at least one first metal of Group 10 of the IUPAC Periodic Table, and at least one second metal of Group 11 to 15 of the IUPAC Periodic Table, wherein said mordenite zeolite has a mesopore surface area of greater than 30 m2/g and said mordenite zeolite comprises agglomerates composed of primary crystallites, wherein said primary crystallites have an average primary crystal size as measured by TEM of less than 80 nm and an aspect ratio of less than 2.

Abstract translation: 公开了一种催化剂组合物及其在用于转化含有C8 +芳族烃的原料以产生轻芳香族产物（包括苯，甲苯和二甲苯）的方法中的用途。 所述催化剂组合物包括约束指数为3至12的第一沸石，包含由TEA或MTEA合成的丝光沸石的第二沸石，IUPAC元素周期表第10族的至少一种第一金属和至少一种第 IUPAC周期表第11至15组，其中所述丝光沸石具有大于30m 2 / g的中孔表面积，并且所述丝光沸石包括由初级微晶构成的附聚物，其中所述初级晶体具有平均初晶尺寸， TEM小于80nm，纵横比小于2。