HYDROGENATION AND DEHYDROGENATION PROCESSES AND CATALYSTS THEREFOR

摘要

A process for hydrogenating unsaturations in petrochemical feedstocks, the process comprising contacting the petrochemical feedstock, including at least one component having unsaturations, and hydrogen with a catalyst comprising at least one Group Ia, Ib, IIb, VIb, VIIb or VIII metal on a support of an alkaline earth metal silicate having a surface area of at least 30 m²/g at a temperature of from 0 to 250° C. and a pressure of from 3 to 50 barg.