C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 51/12 (2006.01) C07C 51/353 (2006.01) C07C 67/36 (2006.01) C07C 53/08 (2006.01) C07C 69/14 (2006.01)
Patent
CA 2348472
The invention relates to a process for the preparation of acetic acid and/or methyl acetate in the liquid phase by the carbonylation of methanol and/or the isomerization of methyl formate in the presence of water, a solvent, a homogeneous catalyst system comprising iridium and a halogen-containing promoter, and carbon monoxide, wherein said catalyst system also comprises platinum.
L'invention concerne un procédé de préparation d'acide acétique et/ou d'acétate de méthyle en phase liquide par carbonylation du méthanol et/ou isomérisation du formiate de méthyle en présence d'eau, d'un solvant, d'un système catalytique homogène comprenant de l'iridium et un promoteur halogéné et de monoxyde de carbone, caractérisé en ce que ledit système catalytique comprend en outre du platine.
Kalck Philippe
Layeillon Lise
Le Berre Carole
Serp Philippe
Thiebaut Daniel
Acetex Chimie
Sim & Mcburney
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