Process for preparing bisphenol a

Details Process for preparing bisphenol a Process for preparing bisphenol a

C - Chemistry, Metallurgy

07

C

260/617.7

C07C 37/20 (2006.01) C07C 39/16 (2006.01)

Patent

CA 1305186

ABSTRACT OF THE DISCLOSURE A process for producing high-purity bisphenol A comprises reacting phenol with acetone in the presence of an acid catalyst to obtain a product mixture, removing the acid catalyst from the product mixture, thereby yielding a liquid mixture, treating the liquid mixture with a weakly basic ion-exchange resin having pyridyl groups as the exchange groups, and purifying the treated liquid mixture. The process does not cause any corrosion of equipment and any decomposi- tion and discoloration of bisphenol A during distillation.

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