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BR9706417A - Processo de carbonilação catalisado por irìdio para a produção de ácido acético. - Google Patents

Processo de carbonilação catalisado por irìdio para a produção de ácido acético.

Info

Publication number
BR9706417A
BR9706417A BR9706417-3A BR9706417A BR9706417A BR 9706417 A BR9706417 A BR 9706417A BR 9706417 A BR9706417 A BR 9706417A BR 9706417 A BR9706417 A BR 9706417A
Authority
BR
Brazil
Prior art keywords
acetic acid
product
water
less
ppm
Prior art date
Application number
BR9706417-3A
Other languages
English (en)
Inventor
Bruce Leo Williams
Original Assignee
Bp Chem Int Ltd
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 Bp Chem Int Ltd filed Critical Bp Chem Int Ltd
Publication of BR9706417A publication Critical patent/BR9706417A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C53/00—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen
    • C07C53/08—Acetic acid
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)

Abstract

<B>PROCESSO DE CARBONILAçãO CATALISADO POR IRìDIO PARA A PRODUçãO DE áCIDO ACéTICO<D>. Um processo para a produção de um fluxo de processo de ácido acético compreendendo menos de 400 ppm de ácido propiónico e menos de 1500 ppm de água compreende as etapas de:- a) alimentar metanol e/ou um seu derivado reativo e monóxido de carbono a um reator de carbonilação em que é mantido durante o curso do processo uma composição de reação líquida que compreende: i) um catalisador de carbonilação de irídio; ii) co-catalisador de iodeto de metila; iii) opcionalmente um ou mais promotores selecionados do grupo que consiste em rutênio, ósmio, rênio, cádmio, mercúrio, zinco, gálio, índio e tungstênio; iv) uma quantidade finita de água a uma concentração menor do que aproximadamente 8% em peso; v) acetato de metila; vi) ácido acéticol; e vii) subproduto de ácido propiónico e seus precursores; b) retirar composição de reação líquida do reator de carbonilação e introduzir pelo menos parte da composição de reação líquida retirada, com ou sem a adição de calor, a uma zona de fulguração para formar uma fração de vapor compreendendo água, produto de ácido acético, subproduto de ácido propriónico, acetato de metila, iodeto de metila e precursores de ácido propiónico, e uma fração líquida compreendendo catalisador de irídio não volátil, promotor ou promotores opcional(is) não voláteis, ácido acético e água; c) reciclar a fração líquida da zona de fulguração para o reator de carbonilação; d) introduzir a fração de vapor da zona de fulguração em uma primeira zona de destilação; e) remover da primeira zona de destilação em um ponto acima do ponto de introdução da fração de vapor de zona de fulguração, um fluxo de reciclagem de produtos leves compreendendo água, acetato de metila, iodeto de metila, ácido acético e precursores de ácido propriónico cujo fluxo é reciclado total ou em parte para o reator de carbonilação; e f) remover da primeira zona de destilação em um ponto abaixo do ponto de introdução da fração de vapor de zona de fulguração, um fluxo de processo compreendendo produto de ácido acético, subproduto de ácido propiónico, e menos de 1500 ppm de água e, (g) se o fluxo de processo removido na etapa (f) compreender menos de 400 ppm de ácido propiónico introduzir o referido fluxo em uma segunda coluna de destilação, removendo de um ponto abaixo do ponto de introdução do fluxo de (f) subproduto de ácido propiónico e de um ponto acima do produto de introdução do fluxo de (f) um fluxo de processo de ácido acético contendo menos de 400 ppm de ácido propiónico e menos de 1500 ppm de água.
BR9706417-3A 1996-12-19 1997-12-19 Processo de carbonilação catalisado por irìdio para a produção de ácido acético. BR9706417A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9626324.9A GB9626324D0 (en) 1996-12-19 1996-12-19 Process

Publications (1)

Publication Number Publication Date
BR9706417A true BR9706417A (pt) 1999-11-23

Family

ID=10804662

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9706417-3A BR9706417A (pt) 1996-12-19 1997-12-19 Processo de carbonilação catalisado por irìdio para a produção de ácido acético.

Country Status (19)

Country Link
US (1) US6140535A (pt)
EP (1) EP0849250B1 (pt)
JP (1) JP4017724B2 (pt)
KR (1) KR100540020B1 (pt)
CN (1) CN1073980C (pt)
BR (1) BR9706417A (pt)
CA (1) CA2225868C (pt)
DE (1) DE69717062T2 (pt)
GB (1) GB9626324D0 (pt)
ID (1) ID19691A (pt)
MY (1) MY117534A (pt)
NO (1) NO975916L (pt)
NZ (1) NZ329436A (pt)
RU (1) RU2183618C2 (pt)
SA (1) SA98190163B1 (pt)
SG (1) SG55437A1 (pt)
TW (1) TW448152B (pt)
UA (1) UA52604C2 (pt)
ZA (1) ZA9711267B (pt)

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US8461379B2 (en) 2010-10-12 2013-06-11 Celanese International Corporation Production of acetic acid comprising feeding at least one reactant to a recycle stream
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Also Published As

Publication number Publication date
MY117534A (en) 2004-07-31
MX9710425A (es) 1998-09-30
CA2225868A1 (en) 1998-06-19
JP4017724B2 (ja) 2007-12-05
KR19980064380A (ko) 1998-10-07
SA98190163B1 (ar) 2006-10-11
ID19691A (id) 1998-07-30
JPH10273470A (ja) 1998-10-13
CN1073980C (zh) 2001-10-31
GB9626324D0 (en) 1997-02-05
EP0849250B1 (en) 2002-11-13
KR100540020B1 (ko) 2006-02-28
US6140535A (en) 2000-10-31
EP0849250A1 (en) 1998-06-24
ZA9711267B (en) 1999-06-15
NZ329436A (en) 1998-11-25
NO975916L (no) 1998-06-22
CN1192432A (zh) 1998-09-09
CA2225868C (en) 2007-02-13
TW448152B (en) 2001-08-01
DE69717062D1 (de) 2002-12-19
UA52604C2 (uk) 2003-01-15
NO975916D0 (no) 1997-12-16
DE69717062T2 (de) 2003-07-17
RU2183618C2 (ru) 2002-06-20
SG55437A1 (en) 1998-12-21

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Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]