Process for separating mineral ultra-fine grain from...

C - Chemistry – Metallurgy – 02 – F

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C02F 1/56 (2006.01) B01D 21/01 (2006.01) B03B 1/04 (2006.01) B03B 9/00 (2006.01) B03D 3/06 (2006.01) C02F 1/54 (2006.01)

Patent

CA 1227294

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 ?' 10000 g/mol, and subsequent selective flocculation of the coal by means of a flocculating agent

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