Patent ID: 6472568
Filing Date: 2002-10-29
Classification: B01D,B01J,C07C,Y02P,Y10S

Abstract:
A process for preparing at least one tertiary alkyl ether by reaction of at least one aliphatic monoalcohol and of at least one olefin, comprising:a) contacting in a reaction section at least one olefin and at least one aliphatic alcohol, b) introducing, through at least one circulating means, the major part of the effluent of said reaction section into a distillation-reaction section comprising a distillation column and at least one distillation-reaction column, comprising at least one catalyst bed, said distillation-reaction column being distinct from the distillation column and providing at least partly the reflux of the distillation column, c) drawing off, at the bottom of the distillation column, tertiary alkyl ether and at the top of the distillation-reaction column, an effluent comprising unreacted hydrocarbons and aliphatic alcohol.