KR101106870B1 - 아세트산의 제조방법 - Google Patents
아세트산의 제조방법 Download PDFInfo
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- KR101106870B1 KR101106870B1 KR1020067017676A KR20067017676A KR101106870B1 KR 101106870 B1 KR101106870 B1 KR 101106870B1 KR 1020067017676 A KR1020067017676 A KR 1020067017676A KR 20067017676 A KR20067017676 A KR 20067017676A KR 101106870 B1 KR101106870 B1 KR 101106870B1
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- acetic acid
- phase
- water
- methyl iodide
- dimethyl ether
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/10—Preparation of carboxylic acids or their salts, halides or anhydrides by reaction with carbon monoxide
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/10—Preparation of carboxylic acids or their salts, halides or anhydrides by reaction with carbon monoxide
- C07C51/12—Preparation of carboxylic acids or their salts, halides or anhydrides by reaction with carbon monoxide on an oxygen-containing group in organic compounds, e.g. alcohols
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
- C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
Abstract
Description
Claims (14)
- (a) 물, 메틸 요오다이드 및 촉매를 포함하는 반응 매질에서, 일산화 탄소를 메탄올, 메틸 아세테이트, 메틸 포르메이트, 다이메틸 에터 및 이들의 혼합물로 구성된 군에서 선택된 하나 이상의 반응물과 반응시켜, 아세트산을 포함하는 반응 생성물을 제조하는 단계;(b) 상기 반응 생성물에 대해 증기-액체 분리를 수행하여, 아세트산, 물 및 메틸 요오다이드를 포함하는 휘발성 상 및 촉매를 포함하는 보다 덜 휘발성 상을 제공하는 단계;(c) 상기 휘발성 상을 증류하여, 정제된 아세트산 생성물, 및 물, 메틸 아세테이트 및 메틸 요오다이드를 포함하는 제 1 탑상물(overhead)을 제조하는 단계;(d) 상기 제 1 탑상물을 상 분리하여, 물을 포함하는 제 1 액체 상 및 메틸 요오다이드를 포함하는 제 2 액체 상을 제공하는 단계; 및(e) 상기 제 1 및 제 2 액체 상을 형성하는 상기 제 1 탑상물의 분리를 용이하게 하기 위해, 상기 공정에 다이메틸 에터를 첨가하는 단계를 포함하는, 아세트산의 제조방법.
- 제 1 항에 있어서,다이메틸 에터를 상기 반응 생성물, 상기 휘발성 상, 상기 제 1 탑상물, 또는 상기 증류와 관련된 스트림 또는 컬럼 중 하나 이상에 첨가하는 제조방법.
- 제 2 항에 있어서,다이메틸 에터를 상기 제 1 탑상물에 첨가하는 제조방법.
- 제 1 항에 있어서,상기 제 1 및 제 2 액체 상중 적어도 하나로부터 아세트알데하이드를 제거하는 단계를 추가로 포함하고, 아세트알데하이드 제거 단계와 관련된 스트림에 다이메틸 에터를 첨가하는 제조방법.
- 제 4 항에 있어서,다이메틸 에터를 아세트알데하이드 제거 시스템으로부터의 반송 스트림에 첨가하는 제조방법.
- 제 4 항에 있어서,아세트알데하이드 제거 단계가, 메틸 요오다이드를 포함하는 혼합물로부터 아세트알데하이드를 추출함을 포함하고, 다이메틸 에터의 일부가, 상기 혼합물로부터 아세트알데하이드와 함께 추출되는 메틸 요오다이드의 양을 감소시키는 제조방법.
- 제 1 항에 있어서,제 1 액체 상의 적어도 일부를 상기 휘발성 상의 증류에 환류(reflux) 스트림으로서 사용하는 제조방법.
- 제 1 항에 있어서,제 2 액체 상을 재순환시켜 상기 반응 매질의 일부를 제공하는 제조방법.
- 제 8 항에 있어서,첨가된 다이메틸 에터의 대부분을 제 2 액체 상으로 상기 반응 매질내로 재순환시키는 제조방법.
- 제 9 항에 있어서,상기 반응 매질 중의 재순환된 다이메틸 에터의 적어도 일부를 아세트산으로 전환시키는 제조방법.
- 아세트산, 메틸 아세테이트, 메틸 요오다이드 및 물을 포함하는 혼합물을 상 분리하여, 물 및 메틸 아세테이트를 포함하는 제 1 액체 상 및 메틸 요오다이드를 포함하는 제 2 액체 상을 제공하는 방법에 있어서, 상기 혼합물에 다이메틸 에터를 첨가하여 상기 상 분리를 용이하게 함을 특징으로 하는 방법.
- 아세트산, 메틸 요오다이드 및 물을 포함하는 혼합물을 분리하여, 정제된 아세트산 생성물, 물을 포함하는 제 1 액체 상, 및 메틸 요오다이드를 포함하는 제 2 액체 상을 제공하는 방법으로서,상기 혼합물을 증류하여 탑상물 분획 및 상기 정제된 아세트산 생성물을 제공하는 단계;상기 탑상물 분획을 상 분리하여, 상기 제 1 액체 상 및 상기 제 2 액체 상을 제공하는 단계;상기 제 1 액체 상의 일부를 증류 단계로 환류시키는 단계; 및상기 제 1 및 제 2 액체 상의 상 분리를 용이하게 하기 위해, 다이메틸 에터를 상기 혼합물에, 상기 탑상물 분획에, 또는 상기 제 1 액체 상의 환류된 부분에 첨가하는 단계를 포함하는, 방법.
- 제 12 항에 있어서,다이메틸 에터를 상기 탑상물 분획에 첨가하는 방법.
- 제 12 항에 있어서,상기 혼합물이 카보닐화 반응기의 반응 생성물의 휘발성 상으로서 제공되는 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/708,423 | 2004-03-02 | ||
US10/708,423 US7208624B2 (en) | 2004-03-02 | 2004-03-02 | Process for producing acetic acid |
PCT/US2005/006001 WO2005085163A1 (en) | 2004-03-02 | 2005-02-24 | Process for producing acetic acid |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060129429A KR20060129429A (ko) | 2006-12-15 |
KR101106870B1 true KR101106870B1 (ko) | 2012-01-19 |
Family
ID=34911128
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020067017676A KR101106870B1 (ko) | 2004-03-02 | 2005-02-24 | 아세트산의 제조방법 |
Country Status (21)
Country | Link |
---|---|
US (1) | US7208624B2 (ko) |
EP (1) | EP1723095B8 (ko) |
JP (3) | JP4971128B2 (ko) |
KR (1) | KR101106870B1 (ko) |
CN (1) | CN100448832C (ko) |
AR (1) | AR049473A1 (ko) |
AU (1) | AU2005219828B2 (ko) |
BR (1) | BRPI0508373B1 (ko) |
CA (1) | CA2556966C (ko) |
CL (1) | CL2008003424A1 (ko) |
ES (1) | ES2393194T3 (ko) |
MY (1) | MY141211A (ko) |
NO (1) | NO20064429L (ko) |
NZ (1) | NZ549259A (ko) |
PL (1) | PL208590B1 (ko) |
RS (1) | RS20060493A (ko) |
RU (1) | RU2358966C2 (ko) |
TW (1) | TWI349660B (ko) |
UA (1) | UA84193C2 (ko) |
WO (1) | WO2005085163A1 (ko) |
ZA (1) | ZA200607202B (ko) |
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