METHOD FOR THE PREPARATION OF A PHENOL

摘要

AE 6241 The invention relates to a method for the preparation of a phenol by an oxidative decarboxylation in the liquid phase of the corresponding aryl carboxylic acid in the presence of a dissolved Cu-containing catalyst, the phenol being obtained through a hydrolysis step. The characteristic part of the method comprises the following process steps: a) catalyst oxidation at 120-190 .degree.C; b) a reduction and hydrolysis step at 225-270 .degree.C;