CA2012006A1 - Procede pour la production en continu d'un melange anhydre acetate de methyle-methanol - Google Patents

Procede pour la production en continu d'un melange anhydre acetate de methyle-methanol

Info

Publication number
CA2012006A1
CA2012006A1 CA2012006A CA2012006A CA2012006A1 CA 2012006 A1 CA2012006 A1 CA 2012006A1 CA 2012006 A CA2012006 A CA 2012006A CA 2012006 A CA2012006 A CA 2012006A CA 2012006 A1 CA2012006 A1 CA 2012006A1
Authority
CA
Canada
Prior art keywords
methanol
acetic acid
methyl acetate
distillation
anhydrous methyl
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.)
Granted
Application number
CA2012006A
Other languages
English (en)
Other versions
CA2012006C (fr
Inventor
Heinz Erpenbach
Klaus Gunther
Georg Kohl
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.)
Celanese Sales Germany GmbH
Original Assignee
Hoechst AG
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 Hoechst AG filed Critical Hoechst AG
Publication of CA2012006A1 publication Critical patent/CA2012006A1/fr
Application granted granted Critical
Publication of CA2012006C publication Critical patent/CA2012006C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
CA002012006A 1989-03-16 1990-03-13 Procede pour la production en continu d'un melange anhydre acetate de methyle-methanol Expired - Lifetime CA2012006C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3908555A DE3908555A1 (de) 1989-03-16 1989-03-16 Verfahren zur kontinuierlichen herstellung eines wasserfreien methylacetat-methanol-gemisches
DEP3908555.4 1989-03-16

Publications (2)

Publication Number Publication Date
CA2012006A1 true CA2012006A1 (fr) 1990-09-16
CA2012006C CA2012006C (fr) 1996-08-13

Family

ID=6376454

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002012006A Expired - Lifetime CA2012006C (fr) 1989-03-16 1990-03-13 Procede pour la production en continu d'un melange anhydre acetate de methyle-methanol

Country Status (9)

Country Link
US (1) US5296630A (fr)
EP (1) EP0387674B1 (fr)
JP (1) JPH0717570B2 (fr)
AT (1) ATE90329T1 (fr)
AU (1) AU621464B2 (fr)
CA (1) CA2012006C (fr)
DE (2) DE3908555A1 (fr)
ES (1) ES2058639T3 (fr)
ZA (1) ZA901972B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101020844B1 (ko) * 2008-09-04 2011-03-09 삼성전기주식회사 구리 나노입자의 저온 환원 소결을 위한 환원제 및 이를이용한 저온 소결 방법
CN114797146B (zh) * 2022-05-12 2023-07-25 重庆科技学院 乙酸乙酯-甲醇-水三元共沸物分离用双隔板萃取精馏塔
CN114939283B (zh) * 2022-05-12 2023-11-28 重庆科技学院 分离提纯乙酸乙酯-甲醇-水三元共沸混合物的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1196085A (en) * 1968-03-23 1970-06-24 Bp Chem Int Ltd Production of Esters
DE2450965C2 (de) * 1974-10-26 1983-06-09 Hoechst Ag, 6230 Frankfurt Verfahren zur Herstellung von Essigsäureanhydrid
ZA816748B (en) * 1980-10-01 1982-10-27 Hoechst Ag Process for the preparation of an ethyl ester
ZA821726B (en) * 1981-03-17 1983-10-26 Bp Chem Int Ltd Process for the production of methyl acetate by esterifying methynol with acetic acid
US4435595A (en) * 1982-04-26 1984-03-06 Eastman Kodak Company Reactive distillation process for the production of methyl acetate

Also Published As

Publication number Publication date
US5296630A (en) 1994-03-22
EP0387674A3 (en) 1990-12-27
CA2012006C (fr) 1996-08-13
ATE90329T1 (de) 1993-06-15
ES2058639T3 (es) 1994-11-01
EP0387674B1 (fr) 1993-06-09
EP0387674A2 (fr) 1990-09-19
DE59001642D1 (de) 1993-07-15
JPH02273642A (ja) 1990-11-08
JPH0717570B2 (ja) 1995-03-01
AU621464B2 (en) 1992-03-12
AU5132790A (en) 1990-09-20
ZA901972B (en) 1990-12-28
DE3908555A1 (de) 1990-09-20

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry