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U.S. Department of Energy
Office of Scientific and Technical Information

Coal liquefaction process

Patent ·
OSTI ID:5279003
An improved coal liquefaction process is provided which enables conversion of a coal-oil slurry to a synthetic crude refinable to produce larger yields of gasoline and diesel oil. The process is characterized by a two-step operation applied to the slurry prior to catalytic desulfurization and hydrogenation in which the slurry undergoes partial hydrogenation to crack and hydrogenate asphaltenes and the partially hydrogenated slurry is filtered to remove minerals prior to subsequent catalytic hydrogenation.
Assignee:
Energy Research and Development Administration
Patent Number(s):
US 4018663
OSTI ID:
5279003
Country of Publication:
United States
Language:
English