Polyorganosiloxane collectors in the beneficiation of fine...

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

B - Operations, Transporting

03

D

361/2

B03D 1/02 (2006.01) B03D 1/008 (2006.01) B03D 1/016 (2006.01)

Patent

CA 1226381

POLYORGANOSILOXANE COLLECTORS IN THE BENEFICIATION OF FINE COAL BY FROTH FLOTATION 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 radical. The process of this invention is especially useful for the beneficiation of difficult-to-float fine coals.

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