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

Coal liquefaction process

Patent ·
OSTI ID:4306204
A process is disclosed for de-ashing and liquefying coal that comprises contacting comminuted coal with water, at least a portion of which is in the liquid phase, a reducing gas and a compound selected from ammonia and carbonates and hydroxides of alkali metals, at liquefaction conditions, including a temperature of 200 to 70 deg C. to provide a hydrocarbonaceous product. (Official Gazette)
Research Organization:
Originating Research Org. not identified
NSA Number:
NSA-29-031535
Assignee:
to Universal Oil Products Co.
Patent Number(s):
US 3796650
OSTI ID:
4306204
Country of Publication:
United States
Language:
English

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