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

Hydrogenative treatment of coal. [7 claims; 300-500/sup 0/C]

Patent ·
OSTI ID:7329404
The invention relates to the hydrogenative treatment of coals by contacting the coal with carbon monoxide, water, and a gaseous organic solvent at a reaction temperature within the range 300 to 500/sup 0/C. The solvent comprises one or more solvent components each of which, at the reaction temperature, is above its critical temperature so that the reaction products are extracted in the gaseous phase and are thereafter recovered from said phase after separation from the solid residue within the reaction chamber. 7 claims, no drawings.
Assignee:
Coal Industry (Patents) Ltd.
Patent Number(s):
US 3997424
OSTI ID:
7329404
Country of Publication:
United States
Language:
English