Disclosed is an improved process for the removal of acetone from a production system wherein acetic anhydride is produced 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 acetone is separated from a mixture of methyl acetate, methyl iodide and acetone.
申请公布号
WO9206062(A1)
申请公布日期
1992.04.16
申请号
WO1991US06907
申请日期
1991.09.25
申请人
EASTMAN KODAK COMPANY
发明人
ZOELLER, JOSEPH, ROBERT;COOK, STEVEN, LEROY;OUTLAW, CHARLES, EMORY;SCHISLA, ROBERT, MELVIN, JR.