Polyorganosiloxane collectors in the beneficiation of fine coal

Details Polyorganosiloxane collectors in the beneficiation of fine coal Polyorganosiloxane collectors in the beneficiation of fine coal

1984-05-30

1985-07-30

Nozick, Bernard

Classifying, separating, and assorting solids

Fluid suspension

Liquid

252 61, B03D 114

Patent

active

045320322

ABSTRACT:
A froth flotation process for the beneficiation of fine coal is disclosed which employs as a collector a water-dispersible polyorganosiloxane or a mixture of water-dispersible polyorganosiloxanes which contain either aryl radicals or aryl radicals combined with polyethylene oxide and polypropylene oxide radicals. Preferred polyorganosiloxanes are those which contain both aryl radicals and polyethylene oxide and/or polypropylene oxide radicals. The process of this invention is espeically useful for the beneficiation of difficult-to-float fine coals.

REFERENCES:
patent: 3072256 (1963-01-01), Gotte et al.

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