Process for separating mineral ultra-fine grain from washings obtained in coal processing or from coal slurries
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United States of America Patent
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Oct 21, 1986
Issued Date -
N/A
app pub date -
Jun 6, 1985
filing date -
Dec 4, 1982
priority date (Note) -
Expired
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Abstract
The invention relates to a process for separating mineral finest grain from coal slurries or washings obtained in coal processing, by treating the washing with a selective anionic dispersing agent for the finest grain, having a molecular weight of .ltoreq.10000 g/mol, and subsequent selective flocculation of the coal by means of a flocculating agent known per se.
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