BRPI0508373A - processo para produzir ácido acético e método para separar em fase uma mistura - Google Patents

processo para produzir ácido acético e método para separar em fase uma mistura

Info

Publication number
BRPI0508373A
BRPI0508373A BRPI0508373-7A BRPI0508373A BRPI0508373A BR PI0508373 A BRPI0508373 A BR PI0508373A BR PI0508373 A BRPI0508373 A BR PI0508373A BR PI0508373 A BRPI0508373 A BR PI0508373A
Authority
BR
Brazil
Prior art keywords
acetic acid
phase
separating
producing acetic
methyl
Prior art date
Application number
BRPI0508373-7A
Other languages
English (en)
Inventor
David A Trueba
Mark O Scates
Original Assignee
Celanese Int Corp
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 Celanese Int Corp filed Critical Celanese Int Corp
Publication of BRPI0508373A publication Critical patent/BRPI0508373A/pt
Publication of BRPI0508373B1 publication Critical patent/BRPI0508373B1/pt

Links

Classifications

    • 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
    • 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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (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)

Abstract

PROCESSO PARA PRODUZIR áCIDO ACéTICO E MéTODO PARA SEPARAR EM FASE UMA MISTURA Um processo melhorado é revelado para prouzir ácido acético incluindo as seguintes etapas: reagir um reagente carbonilável tais como metanol, acetato de metila, formato de metila ou éter de dimetila com monóxido de carbono em um meio de reação contendo água, demetila, e um catalizador para produzir um produto da reação que contem ácido acético; separar o produto de reação para fornecer uma fase volátil contendo ácido,água, e iodeto de metila e uma fase menos volátil; destilar fase volátil para produzir um produto de ácido acético purificado e um primeiro destilado de topo contendo água, acetato de metila, e iodeto de metila, separar em fase o primeiro destilado de topo pára fornecer uma primeira fase líquida contendo água e uma segunda fase líquida contendo iodeto de metila; e adicionar éter de dimetila ao processo em uma quantidade eficaz para melhorar separação do primeiro destilado de topo para formar a primeira e segunda fases líquidas.
BRPI0508373-7A 2004-03-02 2005-02-24 processo para produzir ácido acético e método para separar uma mistura obtida no processo para produzir ácido acético BRPI0508373B1 (pt)

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
BRPI0508373A true BRPI0508373A (pt) 2007-07-31
BRPI0508373B1 BRPI0508373B1 (pt) 2020-12-08

Family

ID=34911128

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0508373-7A BRPI0508373B1 (pt) 2004-03-02 2005-02-24 processo para produzir ácido acético e método para separar uma mistura obtida no processo para produzir ácido acético

Country Status (21)

Country Link
US (1) US7208624B2 (pt)
EP (1) EP1723095B8 (pt)
JP (3) JP4971128B2 (pt)
KR (1) KR101106870B1 (pt)
CN (1) CN100448832C (pt)
AR (1) AR049473A1 (pt)
AU (1) AU2005219828B2 (pt)
BR (1) BRPI0508373B1 (pt)
CA (1) CA2556966C (pt)
CL (1) CL2008003424A1 (pt)
ES (1) ES2393194T3 (pt)
MY (1) MY141211A (pt)
NO (1) NO20064429L (pt)
NZ (1) NZ549259A (pt)
PL (1) PL208590B1 (pt)
RS (1) RS20060493A (pt)
RU (1) RU2358966C2 (pt)
TW (1) TWI349660B (pt)
UA (1) UA84193C2 (pt)
WO (1) WO2005085163A1 (pt)
ZA (1) ZA200607202B (pt)

Families Citing this family (220)

* Cited by examiner, † Cited by third party
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