Patent ID: 9321709
Filing Date: 2016-04-26
CPC Classification: C07C

Claim Text:
1. A process for producing phenol and/or cyclohexanone comprising: (a) oxidizing at least a portion of a feed comprising cyclohexylbenzene to produce an oxidation composition comprising cyclohexyl-1-phenyl-1-hydroperoxide; (b) cleaving at least a portion of the oxidation composition to produce a cleavage reaction mixture comprising phenol, cyclohexanone and one or more contaminants, wherein the combined concentration of contaminants in the cleavage reaction mixture is at least 0.1 wt % and no greater than 10 wt % based on the total weight of the cleavage reaction mixture; and (c) contacting at least a portion of the cleavage reaction mixture with an acidic material to convert at least a portion of the contaminant, thereby producing a modified reaction mixture.