Process for separating mineral ultra-fine grain from washings ob

Details Process for separating mineral ultra-fine grain from washings ob Process for separating mineral ultra-fine grain from washings ob

1985-06-06

1986-10-21

Nozick, Bernard

Classifying, separating, and assorting solids

Precedent preparation of items or materials to facilitate...

Selective differentiation

B03D 306

Patent

active

046184147

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.

REFERENCES:
patent: 3408293 (1968-10-01), Dajani et al.
patent: 3418237 (1968-12-01), Booth et al.
patent: 3717574 (1973-02-01), Werneke
patent: 4133747 (1979-01-01), Visman

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