KR950003254A - 초산 에스테르의 제조방법 - Google Patents

초산 에스테르의 제조방법 Download PDF

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Publication number
KR950003254A
KR950003254A KR1019930014392A KR930014392A KR950003254A KR 950003254 A KR950003254 A KR 950003254A KR 1019930014392 A KR1019930014392 A KR 1019930014392A KR 930014392 A KR930014392 A KR 930014392A KR 950003254 A KR950003254 A KR 950003254A
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South Korea
Prior art keywords
acetic acid
methyl acetate
methanol
catalyst
acid ester
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KR1019930014392A
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English (en)
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KR960006546B1 (ko
Inventor
엄성진
한성환
오준우
주오심
정광덕
이문상
Original Assignee
김은영
한국과학기술원
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Priority to KR1019930014392A priority Critical patent/KR960006546B1/ko
Priority to EP94111650A priority patent/EP0640583B1/en
Priority to DE69423027T priority patent/DE69423027T2/de
Priority to ES94111650T priority patent/ES2144472T3/es
Priority to US08/281,187 priority patent/US5430178A/en
Priority to JP6176537A priority patent/JP2807176B2/ja
Publication of KR950003254A publication Critical patent/KR950003254A/ko
Application granted granted Critical
Publication of KR960006546B1 publication Critical patent/KR960006546B1/ko

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/03—Preparation of carboxylic acid esters by reacting an ester group with a hydroxy group
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/02—Preparation of carboxylic acid esters by interreacting ester groups, i.e. transesterification
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/009—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping in combination with chemical reactions
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/36—Preparation of carboxylic acid esters by reaction with carbon monoxide or formates
    • 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
    • C07C69/02—Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen
    • C07C69/12—Acetic 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • 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
    • Y02P20/584—Recycling of 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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

본 발명은 초산 에스테르의 개선된 제조 방법에 관한 것이다. 본 발명에 따르면, 메탄올로부터 기상 카르보닐화 반응을 통해 얻은 메틸아세테이트를 원료로 사용하여 각종 알콜과 에스테르화 교환 반응시켜 초산 에스테르를 제조한다.
이와 같은 방법은 공업적으로 유용한 각종 에스테르를 제조하는데 있어서 제조단가를 절감시킬 뿐 아니라 촉매의 회수 문제 및 장치의 부식 문제를 해결할 수 있다.

Description

초산 에스테르의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1 도는 본 발명의 트랜스에스테르화 반응을 수행하기 위한 촉매 반응 증류 장치를 도시한 개략도.

Claims (10)

  1. 알코올을 증류탑 상단에서 비점 이하의 온도를 주입하고 과량의 메틸아세테이트를 증류탑 하단에서 비점 이상의 온도로 주입하여 탑 중간에 충진된 산 촉매층 내에서 에스테르 교환 반응시키는 것이 특징인, 초산 에스테르의 제조 방법.
  2. 제 1 항에 있어서, 산 촉매가 이온 교환 수지인 것인 방법.
  3. 제 1 항에 있어서, 초산 에스테르 탑 하단에서 수득하고, 메틸아세테이트와 메탄올의 혼합물을 탑 상단으로 제거하는 것인 방법.
  4. 로듐 촉매 및 할라이드계 조촉매 하에 메탄올을 일산화탄소와 기상 카르보닐화 반응시켜 메틸아세테이트와 아세트산을 얻는 제 1 공정, 생성된 메틸아세테이트와 초산의 혼합물로부터 메틸아세테이트를 분리하는 제 2 공정, 분리된 메탈아세테이트를 산촉매 존재하에 알콜과 에스테르 교환 반응시켜 초산 에스테를 생산하는 제 3 공정으로 이루어진 것이 특징인 초산 에스테르의 제조 방법.
  5. 제 4 항에 있어서, 상기 제 1 공정의 기상 메탄올 카르보닐화 반응을 상압내지 10.55Kg/cm2(150 psi)의 압력하에 100내지 300℃의 온도에서 수행하는 방법.
  6. 제 4 항에 있어서, 상기 제 1 공정에서 사용된 로듐 촉매가, 불활성 담체의 양을 기준으로 0.1 내지 20중량%(Rh환산)의 로듐 화합물을 물 또는 유기 용매 중에서 용해시키고, 이것을 로듐의 양을 기준으로 1 내지 1,000몰%의 알칼리 또는 알칼리토금속 또는 전이 금속과 함께 불활성 담체에 담지시킨 후 100 내지 500℃에서 소결시켜 제조된 것임을 특징으로 하는 방법.
  7. 제 4 항에 있어서, 제 2 공정에서 분리된 할라이드 조촉매를 다시 제 1 공정의 카르보닐화 반응기로 재순환시키는 방법.
  8. 제 4 항에 있어서, 제 3 공정에서 생성된 메탄올 및 미반응 메틸아세테이트를 회수하여 제 1 공정의 카르보닐화 반응기로 재순환시키는 방법.
  9. 제 4 항에 있어서, 제 3 공정이 에스테르 교환 반응과 동시에 생성물을 분리하는 촉매 반응 증류에 의해 수행되는 것인 방법.
  10. 제 4 항에 있어서, 산 촉매가 이온교환수지인 것인 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930014392A 1993-07-28 1993-07-28 초산에스테르의 제조 방법 KR960006546B1 (ko)

Priority Applications (6)

Application Number Priority Date Filing Date Title
KR1019930014392A KR960006546B1 (ko) 1993-07-28 1993-07-28 초산에스테르의 제조 방법
EP94111650A EP0640583B1 (en) 1993-07-28 1994-07-26 Process for the preparation of acetic esters from methanol
DE69423027T DE69423027T2 (de) 1993-07-28 1994-07-26 Verfahren zum Herstellen von Essigsäureestern aus Methanol
ES94111650T ES2144472T3 (es) 1993-07-28 1994-07-26 Procedimiento para preparar esteres aceticos a partir del metanol.
US08/281,187 US5430178A (en) 1993-07-28 1994-07-27 Process for the preparation of acetic esters from methanol
JP6176537A JP2807176B2 (ja) 1993-07-28 1994-07-28 酢酸アルキルエステルの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930014392A KR960006546B1 (ko) 1993-07-28 1993-07-28 초산에스테르의 제조 방법

Publications (2)

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KR950003254A true KR950003254A (ko) 1995-02-16
KR960006546B1 KR960006546B1 (ko) 1996-05-17

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US (1) US5430178A (ko)
EP (1) EP0640583B1 (ko)
JP (1) JP2807176B2 (ko)
KR (1) KR960006546B1 (ko)
DE (1) DE69423027T2 (ko)
ES (1) ES2144472T3 (ko)

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Also Published As

Publication number Publication date
EP0640583B1 (en) 2000-02-16
EP0640583A3 (en) 1995-08-02
JPH07149691A (ja) 1995-06-13
DE69423027D1 (de) 2000-03-23
KR960006546B1 (ko) 1996-05-17
ES2144472T3 (es) 2000-06-16
EP0640583A2 (en) 1995-03-01
US5430178A (en) 1995-07-04
JP2807176B2 (ja) 1998-10-08
DE69423027T2 (de) 2000-10-19

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