2013•Mining and Metallurgical EngineeringRequires access

Research on Copper-Lead Flotation Separation from Cu-Pb-Zn Sulfide Ore from Tieli in Heilongjiang

Congren Yang

Abstract

Flotation tests were conducted for a Cu-Pb-Zn sulfide ore of Tieli Mine in Heilongjiang Province.By adopting a sequential flotation method composed of Cu-Pb bulk flotation,Cu/Pb separation and zinc recovery from bulk tailings,with CMC and Na2SO3 as a combined depressor,a Cu-Pb separation can be actualized.The closed-circuit test yielded a copper concentrate grade of 20.25% Cu at 60.52% recovery,a lead concentrate grade of 55.25% Pb at 70.07% recovery,a zinc concentrate grade of 46.35% Zn at 86.73% recovery.

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Key concepts: Tailings, Copper, Zinc, Metallurgy, Copper extraction techniques, Sulfide, Closed circuit, Gravity separation