Polymeric carbonylation catalyst system

Details Polymeric carbonylation catalyst system Polymeric carbonylation catalyst system

B - Operations, Transporting

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B01J 31/28 (2006.01) B01J 31/02 (2006.01) B01J 31/16 (2006.01) B01J 31/18 (2006.01) B01J 31/24 (2006.01) C07C 51/12 (2006.01) C07C 51/54 (2006.01)

Patent

CA 2141944

A carbonylation catalyst useful for the carbonylation of methanol to acetic acid, acetic anhydride or both comprises a polymer support containing pendant pyrrolidone groups which support a rhodium species. Other polymeric supports capable of withstanding carbonylation temperatures of at least 150°C are disclosed for the carbonylation reaction in which rhodium levels in the reaction medium of greater than 500 ppm are contemplated.

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