Process for preparing O-phenylphenol

摘要

A process for preparing o-phenylphenol by dehydrogenating at least one of cyclohexanone dimer and o-cyclohexylphenol in the presence of a catalyst, characterized in that the catalyst comprises a metal oxide carrier, and at least one of alkali metal salts of sulfur-oxygen acids and at least one of platinum and palladium supported by the carrier.