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.

摘要介绍合成邻基种主要工艺方法，对环己酮缩合脱氢法制邻基合成方法及研究状况进行详细阐。

The artical detailedly reviews the adhibition of three both series hydrolyze technics in the furfural production and the merit of economize energy resources and increase production.

详细途了叁双串联水解工艺在糠醛生产中应用以及其节能、增产等优点。