Univalent metal double cyanide as reducing agents in froth flota

Details Univalent metal double cyanide as reducing agents in froth flota Univalent metal double cyanide as reducing agents in froth flota

1974-04-30

1976-01-06

Halper, Robert

Classifying, separating, and assorting solids

Fluid suspension

Liquid

B03D 102

Patent

active

039309975

ABSTRACT:
An improved method in concentration of oxide ores and minerals by froth flotation process which comprises subjecting a pulp of mineral slurry of an oxide ore or mineral of metal which can change the valency state from higher to lower by the action of reducing agent consisting of univalent metal double cyanide, which as strong reducing agent change the valency state from higher to lower of the metal at the mineral surface, thus rendering the mineral particle to be capable to activate the double & triple carbon to carbon bond of certain collector possessing this bond such as olefine alcohols or propargyl carbinals. The indicated compounds provide recovery of oxide minerals of manganese, tin, titanium, thorium, tungsten, vanadium, and samarium.

REFERENCES:
patent: 1628046 (1927-05-01), Herman
patent: 3382976 (1968-05-01), Mercade

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