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

Solvent treatment of coal for improved liquefaction. [Preheating in organic solvents at temperature 200 to 350/sup 0/C]

Patent ·
OSTI ID:6007947

Increased liquefaction yield is obtained by pretreating a slurry of solid carbonaceous material and a liquid hydrocarbonaceous solvent at a temperature above 200/sup 0/C but below/sup 0/C for a period of 10 minutes to four hours prior to exposure to liquefaction temperatures. 4 tables.

Assignee:
Dept. of Energy
Patent Number(s):
None
Application Number:
ON: TI85006448
OSTI ID:
6007947
Country of Publication:
United States
Language:
English