Process for the production of acetic acid
AssigneeBP Chemicals Limited
InventorsAndrew John Miller, Stephen James Smith
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Abstract
A process for the production of acetic acid by carbonylating methanol and/or a reactive derivative thereof with carbon monoxide in the presence of an iridium promoted carbonylation catalyst wherein the promoters are ruthenium and at least one of niobium and tantalum.
Claims16
A process for the production of acetic acid by carbonylating methanol and/or a reactive derivative thereof with carbon monoxide in at least one carbonylation reaction zone containing a liquid reaction composition comprising an iridium carbonylation catalyst, methyl iodide co-catalyst, a finite concentration of water, acetic acid, methyl acetate and as promoters ruthenium and at least one of niobium and tantalum.
Dependencies are inferred from the claim text.