DESULFURIZATION PROCESS EMPLOYING MULTI-CATALYST REACTOR

摘要

DESULFURIZATION PROCESS EMPLOYING MULTI-CATALYST REACTOR An asphaltene-containing oil hydrodesulfurization process employing a downstream catalyst and an upstream catalyst in a reactor. The downstream catalyst comprises supported Group VI and Group VIII metals together with a promoting amount of Group IV-B metal. The upstream catalyst comprises Group VI and Group VIII metals without promotion with Group IV-B metal.