CA2896284C - Method for recycling methanol in the process of preparing dimethyl oxalate from synthesis gas - Google Patents

Method for recycling methanol in the process of preparing dimethyl oxalate from synthesis gas Download PDF

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Publication number
CA2896284C
CA2896284C CA2896284A CA2896284A CA2896284C CA 2896284 C CA2896284 C CA 2896284C CA 2896284 A CA2896284 A CA 2896284A CA 2896284 A CA2896284 A CA 2896284A CA 2896284 C CA2896284 C CA 2896284C
Authority
CA
Canada
Prior art keywords
methanol
dimethyl carbonate
methyl formate
range
separation column
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CA2896284A
Other languages
English (en)
French (fr)
Other versions
CA2896284A1 (en
Inventor
Weisheng Yang
Weimin Yang
Laibin He
Mujin Li
Song Hu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Petroleum and Chemical Corp
Sinopec Shanghai Research Institute of Petrochemical Technology
Original Assignee
China Petroleum and Chemical Corp
Sinopec Shanghai Research Institute of Petrochemical Technology
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 China Petroleum and Chemical Corp, Sinopec Shanghai Research Institute of Petrochemical Technology filed Critical China Petroleum and Chemical Corp
Publication of CA2896284A1 publication Critical patent/CA2896284A1/en
Application granted granted Critical
Publication of CA2896284C publication Critical patent/CA2896284C/en
Active legal-status Critical Current
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
    • C07C31/02—Monohydroxylic acyclic alcohols
    • C07C31/04—Methanol
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C27/00—Processes involving the simultaneous production of more than one class of oxygen-containing compounds
    • C07C27/26—Purification; Separation; Stabilisation
    • C07C27/28—Purification; Separation; Stabilisation by distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/48—Separation; Purification; Stabilisation; Use of additives
    • C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/34—Esters of acyclic saturated polycarboxylic acids having an esterified carboxyl group bound to an acyclic carbon atom
    • C07C69/36—Oxalic acid esters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/32—Hydrogen storage

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA2896284A 2014-07-03 2015-07-03 Method for recycling methanol in the process of preparing dimethyl oxalate from synthesis gas Active CA2896284C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410314475.8 2014-07-03
CN201410314475.8A CN105218306B (zh) 2014-07-03 2014-07-03 煤基合成气制乙二醇过程中甲醇回收方法

Publications (2)

Publication Number Publication Date
CA2896284A1 CA2896284A1 (en) 2016-01-03
CA2896284C true CA2896284C (en) 2022-06-21

Family

ID=54978759

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2896284A Active CA2896284C (en) 2014-07-03 2015-07-03 Method for recycling methanol in the process of preparing dimethyl oxalate from synthesis gas

Country Status (5)

Country Link
CN (1) CN105218306B (pl)
AU (1) AU2015203733B2 (pl)
CA (1) CA2896284C (pl)
PL (1) PL230738B1 (pl)
RU (1) RU2689569C2 (pl)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106316788B (zh) * 2016-08-19 2019-01-11 中石化上海工程有限公司 合成气制乙二醇生产中降低酸性腐蚀的方法
CN108299204A (zh) * 2018-04-10 2018-07-20 安阳永金化工有限公司 煤制乙二醇残液中碳酸二甲酯的分离方法及装置
CN109336765A (zh) * 2018-11-09 2019-02-15 中盐安徽红四方股份有限公司 从草酸二甲酯加氢制备乙二醇的副产物中提取高纯度甲酸甲酯的方法
CN111269084A (zh) * 2018-12-04 2020-06-12 上海浦景化工技术股份有限公司 一种除去甲醇中甲酸甲酯和/或碳酸二甲酯的方法
CN110551025B (zh) * 2019-09-02 2022-12-02 湖北三宁化工股份有限公司 一种煤制乙二醇工艺中副产物甲酸甲酯的回收及精制系统和方法
CN113979868A (zh) * 2021-07-30 2022-01-28 中盐安徽红四方股份有限公司 煤制乙二醇mf废液综合利用生产甲酸的方法
CN113651686B (zh) * 2021-07-30 2024-11-01 中盐安徽红四方股份有限公司 煤制乙二醇mf废液综合利用生产甲酸钠的方法
CN115285936B (zh) * 2022-08-12 2024-07-26 何梓睿 碳酸二甲酯-甲醇的储氢及制氢方法、储氢及制氢系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN154274B (pl) * 1980-09-02 1984-10-13 Ube Industries
US4663477A (en) * 1986-03-27 1987-05-05 Union Carbide Corporation Process for the hydrolysis of dialkyl carbonates
US5292917A (en) * 1991-02-26 1994-03-08 Ube Industries, Ltd. Process for purifying dimethyl carbonate
CA2073830C (en) * 1991-07-19 2003-10-07 Keigo Nishihira Continuous process for preparing dimethyl carbonate
ES2103520T3 (es) * 1993-07-15 1997-09-16 Bayer Ag Procedimiento para la obtencion de carbonato de dimetilo.
US6392078B1 (en) * 2000-06-12 2002-05-21 Catalytic Distillation Technologies Process and catalyst for making dialkyl carbonates
US20050277782A1 (en) * 2003-12-22 2005-12-15 Enitecnologie S.P.A. Method for removal of acid contaminants in a process for the synthesis of dimethyl carbonate
KR100899058B1 (ko) * 2004-04-08 2009-05-25 캐털리틱 디스틸레이션 테크놀로지스 디알킬 카보네이트의 제조 방법
CN101381309B (zh) * 2008-10-24 2012-10-24 华东理工大学 草酸二甲酯合成过程中双塔流程分离低浓度碳酸二甲酯的方法
RU2659069C1 (ru) * 2014-06-05 2018-06-28 Шанхай Учжэн Инжиниринг Текнолоджи Ко., Лтд Способ и система устройств для получения диметилоксалата карбонилированием промышленного синтез-газа при средневысоком и высоком давлении и получения этиленгликоля гидрированием диметилоксалата

Also Published As

Publication number Publication date
RU2015126483A (ru) 2017-01-13
PL230738B1 (pl) 2018-12-31
CN105218306B (zh) 2019-07-09
RU2689569C2 (ru) 2019-05-28
CN105218306A (zh) 2016-01-06
AU2015203733A1 (en) 2016-01-21
AU2015203733B2 (en) 2019-06-27
CA2896284A1 (en) 2016-01-03
PL413013A1 (pl) 2016-01-04
RU2015126483A3 (pl) 2019-01-23

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