FLOTATION CONCENTRATION PROCESS OF OXIDIZED CLAYEY GOLD-BEARING ORES Russian patent published in 2007 - IPC E03D1/02 

Abstract RU 2293821 C2

FIELD: gold-bearing ore dressing.

SUBSTANCE: gold is recovered from oxidized clayey gold-bearing ores using flotation concentration process under liquid hydrocarbon layer after wet crushing and treatment with reagents: collector and foaming agent. Crushing of ore is effected to achieve 94-95% of ore as fineness class -0.044 mm. Collector utilized is sodium butyl xanthogenate, which is consumed in amount 5500-6000 g/t ore.

EFFECT: enhanced process efficiency.

1 tbl, 8 ex

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RU 2 293 821 C2

Authors

Chekushin Vladimir Semenovich

Baksheev Sergej Pantelejmonovich

Olejnikova Natal'Ja Vasil'Evna

Dates

2007-02-20Published

2004-12-27Filed