WO2018057125A3 - Utilisation de sous-produits légèrement gazeux pour la production de paraxylène par méthylation de toluène et/ou de benzène - Google Patents

Utilisation de sous-produits légèrement gazeux pour la production de paraxylène par méthylation de toluène et/ou de benzène Download PDF

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Publication number
WO2018057125A3
WO2018057125A3 PCT/US2017/045097 US2017045097W WO2018057125A3 WO 2018057125 A3 WO2018057125 A3 WO 2018057125A3 US 2017045097 W US2017045097 W US 2017045097W WO 2018057125 A3 WO2018057125 A3 WO 2018057125A3
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WO
WIPO (PCT)
Prior art keywords
methanol
products
olefins
water
benzene
Prior art date
Application number
PCT/US2017/045097
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English (en)
Other versions
WO2018057125A2 (fr
Inventor
Todd E. DETJEN
Robert G. TINGER
Original Assignee
Exxonmobil Chemical Patents Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Exxonmobil Chemical Patents Inc. filed Critical Exxonmobil Chemical Patents Inc.
Priority to US16/335,581 priority Critical patent/US10961168B2/en
Priority to CN201780068337.8A priority patent/CN109906213B/zh
Publication of WO2018057125A2 publication Critical patent/WO2018057125A2/fr
Publication of WO2018057125A3 publication Critical patent/WO2018057125A3/fr

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
    • C07C2/86—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon
    • C07C2/862—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon the non-hydrocarbon contains only oxygen as hetero-atoms
    • C07C2/864—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon the non-hydrocarbon contains only oxygen as hetero-atoms the non-hydrocarbon is an alcohol
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
    • C07C2/86—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon
    • C07C2/862—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon the non-hydrocarbon contains only oxygen as hetero-atoms
    • C07C2/865—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon the non-hydrocarbon contains only oxygen as hetero-atoms the non-hydrocarbon is an ether
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2529/00—Catalysts comprising molecular sieves
    • C07C2529/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites, pillared clays
    • C07C2529/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • C07C2529/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

L'invention concerne un procédé de production de paraxylène par l'alkylation catalytique de benzène et/ou de toluène avec du méthanol, qui produit un mélange riche en p- d'isomères de xylène, conjointement avec de l'eau et certains sous-produits organiques légers, particulièrement un diméthyléther et des oléfines en C4. Le flux de dégagement gazeux, contenant les oléfines en C4, peut être recyclé vers la réaction à co-injecter avec du méthanol pour réduire l'auto-décomposition de méthanol et la réaction du méthanol en oléfines ou pour fluidiser des particules de catalyseur récupérées par un cyclone de réacteur. L'utilisation de gaz de dégagement recyclé plutôt que d'eau ou de vapeur permet de réduire les effets délétères de l'eau et/ou de la vapeur sur les vitesses de vieillissement et d'activité de catalyseur ainsi que la taille de l'équipement aval nécessaire pour récupérer des sous-produits d'oléfine.
PCT/US2017/045097 2016-09-22 2017-08-02 Utilisation de sous-produits légèrement gazeux pour la production de paraxylène par méthylation de toluène et/ou de benzène WO2018057125A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US16/335,581 US10961168B2 (en) 2016-09-22 2017-08-02 Use of light gas by-products in the production of paraxylene by the methylation of toluene and or benzene
CN201780068337.8A CN109906213B (zh) 2016-09-22 2017-08-02 轻质气体副产物在通过甲苯和/或苯的甲基化制备对二甲苯中的用途

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201662398252P 2016-09-22 2016-09-22
US62/398,252 2016-09-22
EP16197276 2016-11-04
EP16197276.5 2016-11-04

Publications (2)

Publication Number Publication Date
WO2018057125A2 WO2018057125A2 (fr) 2018-03-29
WO2018057125A3 true WO2018057125A3 (fr) 2018-05-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2017/045097 WO2018057125A2 (fr) 2016-09-22 2017-08-02 Utilisation de sous-produits légèrement gazeux pour la production de paraxylène par méthylation de toluène et/ou de benzène

Country Status (1)

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WO (1) WO2018057125A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11192833B2 (en) 2018-06-27 2021-12-07 Uop Llc Processes and apparatuses for toluene and benzene methylation in an aromatics complex
CN113574037A (zh) * 2019-03-28 2021-10-29 埃克森美孚化学专利公司 用于经由甲基化转化苯和/或甲苯的方法和系统
CN112121850B (zh) * 2019-06-24 2023-05-02 中国石油化工股份有限公司 流化床催化剂和二甲苯的生产方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013052260A2 (fr) * 2011-10-07 2013-04-11 Exxonmobil Chemical Patents Inc. Procédé d'alkylation
WO2016032636A1 (fr) * 2014-08-26 2016-03-03 Exxonmobil Chemical Patents Inc. Traitement des effluents gazeux résultant de la production de para-xylène par méthylation du toluène et/ou du benzène

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US3709979A (en) 1970-04-23 1973-01-09 Mobil Oil Corp Crystalline zeolite zsm-11
US3832449A (en) 1971-03-18 1974-08-27 Mobil Oil Corp Crystalline zeolite zsm{14 12
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US4002698A (en) 1975-08-19 1977-01-11 Mobil Oil Corporation Methylation of toluene in the presence of a phosphorus-modified activated crystalline aluminosilicate catalyst
US4016218A (en) 1975-05-29 1977-04-05 Mobil Oil Corporation Alkylation in presence of thermally modified crystalline aluminosilicate catalyst
CA1064890A (fr) 1975-06-10 1979-10-23 Mae K. Rubin Synthese et utilisation de la zeolite cristalline
US4423266A (en) 1980-10-08 1983-12-27 Mobil Oil Corporation Extending isomerization catalyst life by treating with phosphorous and/or steam
US4356338A (en) 1979-07-27 1982-10-26 Mobil Oil Corporation Extending catalyst life by treating with phosphorus and/or steam
US4375573A (en) 1979-08-03 1983-03-01 Mobil Oil Corporation Selective production and reaction of p-Disubstituted aromatics over zeolite ZSM-48
US5110776A (en) 1991-03-12 1992-05-05 Mobil Oil Corp. Cracking catalysts containing phosphate treated zeolites, and method of preparing the same
US5231064A (en) 1991-03-12 1993-07-27 Mobil Oil Corp. Cracking catalysts comprising phosphorus and method of preparing and using the same
US5348643A (en) 1991-03-12 1994-09-20 Mobil Oil Corp. Catalytic conversion with improved catalyst
US5476823A (en) 1993-05-28 1995-12-19 Mobil Oil Corp. Method of preparation of ex situ selectivated zeolite catalysts for enhanced shape selective applications and method to increase the activity thereof
US5939597A (en) 1994-11-10 1999-08-17 Mobil Oil Corporation Fluid bed process for para-xylene production
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TWI495511B (zh) 2011-07-27 2015-08-11 Exxonmobil Chem Patents Inc 具有分階擋板的流體床反應器
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Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013052260A2 (fr) * 2011-10-07 2013-04-11 Exxonmobil Chemical Patents Inc. Procédé d'alkylation
WO2016032636A1 (fr) * 2014-08-26 2016-03-03 Exxonmobil Chemical Patents Inc. Traitement des effluents gazeux résultant de la production de para-xylène par méthylation du toluène et/ou du benzène

Also Published As

Publication number Publication date
WO2018057125A2 (fr) 2018-03-29

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