Dewatering fine coal slurries using organopolysiloxanes

Details Dewatering fine coal slurries using organopolysiloxanes Dewatering fine coal slurries using organopolysiloxanes

C - Chemistry, Metallurgy

02

F

362/48

C02F 1/56 (2006.01) B01D 37/03 (2006.01) C02F 1/54 (2006.01)

Patent

CA 1162666

DEWATERING FINE COAL SLURRIES USING ORGANOPOLYSILOXANES ABSTRACT Aqueous slurries of fine coal are dewatered by a process which comprises mixing an organopolysiloxane with the slurry, separating the slurry to recover the fine coal and further drying the fine coal, if desired. The use of water-soluble organopoiysiloxanes or water-emulsifiable organopolysiloxanes provides improved separating and/or improved drying of fine coal in the dewatering process that is disclosed.

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