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

Coal conversion process

Patent ·
OSTI ID:6707976
In accordance with the present invention, a process for the conversion of carbonaceous materials to clean liquid and gaseous fuels is provided which comprises reacting an active metal catalyst, recycle fuel gas and carbonaceous material in a U-Bend mixer; separating fuel values therefrom in a gas separator; feeding unreacted or undissolved carbonaceous material and metal catalyst with hot recirculating siliceous particles to a carbonaceous material reactor at temperatures sufficiently high to remove additional fuel values from said carbonaceous material, recovering resultant ash admixed with spent metal catalyst therefrom, separating metal catalyst therefrom and recovering as metal carbonyl by reaction with carbon monoxide, converting said metal carbonyl to metal sulfide and recycling to said mixture.
Assignee:
Leas Brothers Development Corp.
Patent Number(s):
US 4078989
OSTI ID:
6707976
Country of Publication:
United States
Language:
English