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

Process for producing high-concentration slurry of coal

Patent ·
OSTI ID:5591222
High concentrated coal-water slurry is produced by coarsely crushing coal, thereafter pulverizing the coarsely crushed coal, together with water and a slurry dispersant, according to necessity, in a wet-type ball mill, and feeding back one portion of the finely pulverized coal slurry thus obtained into the inlet of the wet-type ball mill.
Assignee:
Lion Corporation (Japan); Kao Corporation (Japan); Mitsui Engineering and Shipbuilding Company (Japan)
Patent Number(s):
US 4500041
OSTI ID:
5591222
Country of Publication:
United States
Language:
English