CARBONYLATION METHOD

摘要

A process for the production of acetic acid and/or methyl acetate by carbonylating methanol and/or reactive derivatives thereof with carbon monoxide in the presence of a catalyst which is a mordenite which has been treated with an aqueous basic solution containing at least one of aluminate ions and gallate ions and has a silica: XOmolar ratio (wherein X is Al and/or Ga) of at least 12: 1.