RU2692099C2 - Способ получения диметилоксалата - Google Patents

Способ получения диметилоксалата Download PDF

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Publication number
RU2692099C2
RU2692099C2 RU2015126664A RU2015126664A RU2692099C2 RU 2692099 C2 RU2692099 C2 RU 2692099C2 RU 2015126664 A RU2015126664 A RU 2015126664A RU 2015126664 A RU2015126664 A RU 2015126664A RU 2692099 C2 RU2692099 C2 RU 2692099C2
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RU
Russia
Prior art keywords
column
dimethyl oxalate
dimethyl
methanol
stream containing
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RU2015126664A
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English (en)
Russian (ru)
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RU2015126664A3 (pt
RU2015126664A (ru
Inventor
Вэйшэн ЯН
Лайбинь ХЭ
Дэ ШИ
Сун ХУ
Original Assignee
Чайна Петролеум Энд Кемикал Корпорейшн
Шанхай Ресёрч Инститьют Оф Петрокемикал Текнолоджи Синопек
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Publication of RU2015126664A publication Critical patent/RU2015126664A/ru
Publication of RU2015126664A3 publication Critical patent/RU2015126664A3/ru
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/36Preparation of carboxylic acid esters by reaction with carbon monoxide or formates
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/48Separation; Purification; Stabilisation; Use of additives
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/48Separation; Purification; Stabilisation; Use of additives
    • C07C67/52Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/52Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
RU2015126664A 2014-07-03 2015-07-03 Способ получения диметилоксалата RU2692099C2 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410314462.0 2014-07-03
CN201410314462.0A CN105330542A (zh) 2014-07-03 2014-07-03 草酸二甲酯的生产方法

Publications (3)

Publication Number Publication Date
RU2015126664A RU2015126664A (ru) 2017-01-12
RU2015126664A3 RU2015126664A3 (pt) 2019-01-31
RU2692099C2 true RU2692099C2 (ru) 2019-06-21

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ID=55027883

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Application Number Title Priority Date Filing Date
RU2015126664A RU2692099C2 (ru) 2014-07-03 2015-07-03 Способ получения диметилоксалата

Country Status (5)

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CN (1) CN105330542A (pt)
AU (1) AU2015203732B2 (pt)
BR (1) BR102015016125B8 (pt)
CA (1) CA2896290C (pt)
RU (1) RU2692099C2 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107954830A (zh) * 2016-10-17 2018-04-24 上海浦景化工技术股份有限公司 一种降低草酸二甲酯加氢制乙二醇中产物分离能耗的方法
CN106693431A (zh) * 2017-03-17 2017-05-24 河南中托力合化学有限公司 新型庚烷精密分馏装置
CN107362563A (zh) * 2017-08-22 2017-11-21 南通泰利达化工有限公司 一种硝化棉的乙醇蒸馏工艺及装置
CN109096049A (zh) * 2018-07-03 2018-12-28 沈阳化工大学 一种酯化反应消除二甲酯中草酸并得到聚酯级乙二醇的方法
CN111454151B (zh) * 2020-04-26 2023-04-14 宁波中科远东催化工程技术有限公司 一种草酸二甲酯汽化的方法
CN112174821B (zh) * 2020-09-04 2023-08-18 中盐安徽红四方股份有限公司 草酸二甲酯的精馏方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU831070A3 (ru) * 1977-04-07 1981-05-15 Снампрогетти С.П.А. (Фирма) Способ получени сложных эфировщАВЕлЕВОй КиСлОТы
US5534648A (en) * 1993-11-30 1996-07-09 Ube Industries, Ltd. Process for continuously producing dimethyl carbonate
CN102911046A (zh) * 2011-08-02 2013-02-06 中国石油化工股份有限公司 Co偶联合成草酸二甲酯的过程中草酸二甲酯的提纯方法
CN202968431U (zh) * 2012-11-01 2013-06-05 安徽淮化股份有限公司 一种乙二醇工业生产分离中间产物草酸二甲酯和甲醇的复合塔器

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103483150B (zh) * 2013-08-31 2016-02-17 安徽淮化股份有限公司 一种以煤为原料生产合成乙二醇的方法和装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU831070A3 (ru) * 1977-04-07 1981-05-15 Снампрогетти С.П.А. (Фирма) Способ получени сложных эфировщАВЕлЕВОй КиСлОТы
US5534648A (en) * 1993-11-30 1996-07-09 Ube Industries, Ltd. Process for continuously producing dimethyl carbonate
CN102911046A (zh) * 2011-08-02 2013-02-06 中国石油化工股份有限公司 Co偶联合成草酸二甲酯的过程中草酸二甲酯的提纯方法
CN202968431U (zh) * 2012-11-01 2013-06-05 安徽淮化股份有限公司 一种乙二醇工业生产分离中间产物草酸二甲酯和甲醇的复合塔器

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Publication number Publication date
BR102015016125B1 (pt) 2020-12-08
RU2015126664A3 (pt) 2019-01-31
BR102015016125A2 (pt) 2018-06-12
BR102015016125B8 (pt) 2021-05-18
RU2015126664A (ru) 2017-01-12
CA2896290A1 (en) 2016-01-03
AU2015203732A1 (en) 2016-01-21
AU2015203732B2 (en) 2019-04-04
CN105330542A (zh) 2016-02-17
CA2896290C (en) 2022-08-16

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