Abstract: Heavy hydrocarbon streams containing asphaltenes are hydrocracked in a first hydrocracking zone and asphaltenes are removed from the liquid effluent to form a deasphaltened liquid feed to a second hydrocracking zone.
Type:
Grant
Filed:
October 31, 1978
Date of Patent:
November 27, 1979
Assignee:
Standard Oil Company (Indiana)
Inventors:
Joseph B. Corns, Thomas D. Nevitt, Waldemar R. Hertwig