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Solvent treatment of coal for improved liquefaction

Patent ·
OSTI ID:1176552

Increased liquefaction yield is obtained by pretreating a slurry of solid carbonaceous material and a liquid hydrocarbonaceous solvent at a temperature above 200°C. but below 350°C. for a period of 10 minutes to four hours prior to exposure to liquefaction temperatures.

Research Organization:
Pittsburgh Energy Technology Center (PETC), Pittsburgh, PA (United States)
Sponsoring Organization:
USDOE
Assignee:
The United States of America as represented by the United States Department of Energy (Washington, DC)
Patent Number(s):
H000069
Application Number:
06/795302
OSTI ID:
1176552
Country of Publication:
United States
Language:
English

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