Froth flotation of fine particles

B - Operations – Transporting – 03 – D

Patent

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B03D 1/008 (2006.01) B03D 1/01 (2006.01) B03D 1/016 (2006.01) B03D 1/02 (2006.01) B03D 3/06 (2006.01)

Patent

CA 2064383

17 ABSTRACT Particles of a desired mineral are separated from an aqueous slurry containing the desired particles and particles of an undesired mineral by adding a collector, a frother and an alkylated polymer of vinylpyrrolidone, and then floating off the desired particles in a froth flotation cell. LS/BW/20.3.92 F39/P00331GB.Abs

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