Process for the preparation of tertiary butyl alcohol

Details Process for the preparation of tertiary butyl alcohol Process for the preparation of tertiary butyl alcohol

C - Chemistry, Metallurgy

07

C

202/73, 260/639.

C07C 31/12 (2006.01) C07C 29/04 (2006.01) C07C 29/80 (2006.01) C07C 29/88 (2006.01)

Patent

CA 1113124

ABSTRACT OF THE DISCLOSURE The invention provides an improvement of a process for preparing tertiary butyl alcohol from isobutylene which comprises reacting isobutylene or a hydrocarbon mixture containing iso- butylene with an aqueous solution of an aliphatic carboxylic acid having from 1 to 6 carbon atoms in the presence of a solid, acidic ion-exchange resin as catalyst, to produce an aqueous reaction mixture of a major amount of tertiary butyl alcohol and d minor amount of the tertiary butyl ester of the carboxylic acid. That improvement comprises subjecting the reaction mixture to distil- lation to remove unreacted isobutylene or hydrocarbon mixture therefrom, and thereafter supplying the treated reaction mixture of the distillation step to a distillation column and passing water from the top to the bottom of the distillation column to remove the tertiary butyl ester of the carboxylic acid.

339012

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