Process for removing acetone from carbonylation processes

Details Process for removing acetone from carbonylation processes Process for removing acetone from carbonylation processes

C - Chemistry, Metallurgy

07

C

C07C 53/12 (2006.01) C07C 17/38 (2006.01) C07C 45/82 (2006.01) C07C 45/83 (2006.01) C07C 51/573 (2006.01)

Patent

CA 2105063

Disclosed is an improved process for the removal of acetone from a production system wherein acetic anhydride is produced by contact- ing a mixture comprising methyl iodide and me- thyl acetate and/or dimethyl ether with carbon monoxide in the presence of a carbonylation ca- talyst or catalyst system. The process comprises two distillation steps wherein acetone is separat- ed from a mixture of methyl acetate, methyl io- dide and acetone.

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