Abstract:

Four catalystsare selected to prepare O-Phenylphenol (OPP) by dibenzofuran hydrogenation.The optimium temperature,pressure and air speed are determined for hydrogenation reaction,and the optimal catalyst is determined.The optimium conditions for dibenzofuran hydrogenation are:center reaction temperature 430℃,reaction pressure 2.0MPa,mass air speed 0.05h-1.GC is adopted for qualitative and quantitative analysis of the products.Recovery rate of OPP is 60.03%,and BP is 34.27%.The conversion rate of DBF is up to 97.76%.