The main synthetic methods of o-phenylphenol were reviewed.The method and research status of dehydrogenation to o-phenylphenol after cyclohexane condensation reaction were discussed detailedly.

摘要成苯苯酚的几种主要工艺方法，对环己酮缩脱氢法制苯苯酚的成方法及研究状况进行详细阐述。

The separation of three-component system of cyclohexane,cyclo-hexene and benzene by extract rectification with a mixed solvent,comprising hexyl dicyanide and dimethyl acetylamine has been studied.

选用己腈-乙酰胺组成的混溶剂，对环己烷、环己烯和苯组成的三元体系进行了萃取精馏。