PROCESS FOR PRODUCING PREMIUM COKE FROM VACUUM RESIDUUM

摘要

Case No. 5731PROCESS FOR PRODUCING PREMIUM COKEFROM VACUUM RESIDUUMAbstract of the DisclosureLow value heavy hydrocarbonaceous materialsuch as a petroleum refinery vacuum residuum is con-verted to distillate products and pitch in a hydrogendonor diluent cracking process, and the pitch is uti-lized as feedstock to a delayed premium coker.