Acetone removal process

Details Acetone removal process Acetone removal process

C - Chemistry, Metallurgy

07

C

C07C 53/12 (2006.01) C07C 17/38 (2006.01) C07C 45/80 (2006.01) C07C 45/81 (2006.01) C07C 45/82 (2006.01) C07C 51/573 (2006.01) C07C 53/08 (2006.01)

Patent

CA 2092901

Disclosed is an improved process for the removal of acetone from a production system wherein acetic anhydride is pro- duced by contacting a mixture comprising methyl iodide and methyl acetate and/or dimethyl ether with carbon monoxide in the presence of a carbonylation catalyst or catalyst system. The process comprises a water-methyl iodide extraction step wherein ace- tone is separated from a mixture of methyl acetate, methyl iodide and acetone.

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