Process for producing an upgraded sulfide mineral concentrate fr

Details Process for producing an upgraded sulfide mineral concentrate fr Process for producing an upgraded sulfide mineral concentrate fr

1985-04-08

1986-07-01

Nozick, Bernard

Classifying, separating, and assorting solids

Fluid suspension

Liquid

252 61, B03D 102

Patent

active

045978573

ABSTRACT:
A process for separating metal sulfide minerals from an ore containing metal sulfide minerals and silicate clays by subjecting the finely divided ore to anionic flotation using an anionic collector to produce a metal sulfide mineral concentrate containing silicate clay, separating the anionic collector from the concentrate and subjecting the concentrate to cationic flotation to selectively float silicate and produce as a residual product a metal sulfide mineral concentrate containing reduced amounts of silicate clay.

REFERENCES:
patent: 1842400 (1932-01-01), Hahn
patent: 2492936 (1949-12-01), Nokes et al.
patent: 4268380 (1981-05-01), Shaw

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