Process for producing high-concentration slurry of coal
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United States of America Patent
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Feb 19, 1985
Grant Date -
N/A
app pub date -
Dec 3, 1982
filing date -
Dec 3, 1981
priority date (Note) -
Expired
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Abstract
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.
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