2013•Mining and Metallurgical EngineeringRequires access

Beneficiation of a Refractory Lead-zinc Ore from West Henan

Cao Fe

Abstract

Due to valuable minerals being closely-intergrown and finely-disseminated in a lead-zinc ore from west Henan,sequential processes including a Pb-Zn iso-flotation,a Pb / Zn separation,a zinc sulphide flotation and a lead oxide flotation were adopted to actualize recovery and separation of lead and zinc minerals,as well as efficient recovery of lead oxide minerals. This approach finally resulted in a lead concentrate approaching 58. 95% Pb grade at 68. 67% recovery,and a zinc concentrate grade of 48. 67% Zn at 66. 06% recovery.

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Key concepts: Beneficiation, Zinc, Lead oxide, Metallurgy, Refractory (planetary science), Lead (geology), Mineral processing, Galena