Process for removing acetone from a mixture comprising...

Details Process for removing acetone from a mixture comprising... Process for removing acetone from a mixture comprising...

C - Chemistry, Metallurgy

07

C

C07C 49/08 (2006.01) C07C 17/38 (2006.01) C07C 45/80 (2006.01) C07C 45/83 (2006.01) C07C 51/573 (2006.01) C07C 53/12 (2006.01) C07C 67/54 (2006.01) C07C 69/14 (2006.01)

Patent

CA 2070560

Case 7540(2) ABSTRACT OF THE DISCLOSURE PROCESS FOR REMOVING ACETONE FROM A MIXTURE COMPRISING ACETONE, METHYL ACETATE AND METHYL IODIDE A process for removing acetone from an acetone/methyl acetate/methyl iodide mixture comprises extractive distillation with water being introduced to the distillation zone above the point of introduction of the mixture and acetic acid being introduced at or above the point of introduction of the mixture. In a preferred embodiment the mixture is subjected to an initial extraction with an aqueous extractant to remove most of the methyl iodide. The process is particularly applicable to removing acetone by-product in carbonylation processes for the production of acetic anhydride.

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