A CATALYST COMPOSITION AND A PROCESS THAT USES THE CATALYST COMPOSITION FOR THE HYDROCONVERSION OF A HEAVY HYDROCARBON FEEDSTOCK

摘要

A catalyst composition that provides for a high percentage conversion of the pitch component of a heavy hydrocarbon feedstock and a process of using the catalyst composition. The catalyst composition comprises a nickel component, a molybdenum component in an amount less than 12 wt% of the catalyst composition, and it may also include an alumina support material having special properties. The weight ratio of the nickel component-to-molybdenum component exceeds 0.25, and the support material preferably has a median pore diameter of from 100 - 140 .ANG.. The catalyst composition has a characteristically unique Raman spectrum that distinguishes it over other compositions.