Method of dehydrating acetic acid

Details Method of dehydrating acetic acid Method of dehydrating acetic acid

C - Chemistry, Metallurgy

07

C

C07C 51/487 (2006.01) C07C 53/08 (2006.01)

Patent

CA 2719804

The invention pertains to a process for dehydrating wet acetic acid. One embodiment of the invention comprises contacting wet acetic acid with acetyl chloride. Another embodiment of the invention comprises contacting wet acetic acid; acetic anhydride; and a catalytic effective amount of hydrogen chloride, acetyl chloride, or a chlorosilane.

L'invention porte sur un procédé de déshydratation d'acide acétique humide. Un mode de réalisation de l'invention comprend la mise en contact d'acide acétique humide avec du chlorure d'acétyle. Un autre mode de réalisation de l'invention comprend la mise en contact d'acide acétique humide; d'anhydride acétique; et d'une quantité efficace catalytique de chlorure d'hydrogène, de chlorure d'acétyle ou d'un chlorosilane.

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