Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Process for producing premium coke from vacuum residuum

Patent ·
OSTI ID:5328451
Low value heavy hydrocarbonaceous material such as a petroleum refinery vacuum residuum is converted to distillate products and pitch in a hydrogen donor diluent cracking process, and the pitch is utilized as feedstock to a delayed preimium coker. 2 figures, 1 table.
Assignee:
Conoco, Inc.
Patent Number(s):
US 4178229
OSTI ID:
5328451
Country of Publication:
United States
Language:
English