Talc-molybdenite separation

Details Talc-molybdenite separation Talc-molybdenite separation

B - Operations, Transporting

03

D

361/3

B03D 1/02 (2006.01)

Patent

CA 1039417

A B S T R A C T A method of enriching the molybdenite fraction of ores and concentrates having hydrophobic silicates containing magnesium and/or aluminum, such as talc. An aqueous slurry of the ore or concentrate is conditioned with a water soluble metallic salt of a weak base and strong acid and a water soluble salt of a weak acid and subject to agitation. The condi- tioned pulp is then subject to a conventional froth flotation wherein the molybdenite fraction is floated off as a molybdenite enriched concentrate and the talc fraction and other acid-insoluble contaminates are depressed into the tailings.

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