Dewatering aids for coal and other mineral particulates

C - Chemistry – Metallurgy – 02 – F

Patent

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C02F 11/14 (2006.01) C09K 3/18 (2006.01)

Patent

CA 1228522

ABSTRACT OF THE INVENTION A composition for altering the water junction characteristics of a wet, particulate mineral mass combines a surfactant material having an HLB number of from about 6.0 to about 12.0 with a surfactant adsorption inhibitory amount of a coupling agent or hydrotrope. Urea may be added to the composition for the prevention of freezing.

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