2014•China Mining MagazineRequires access

Experimental Study on Flotation Process for Fine-disseminated Copper-lead-zinc Ore

Wang Wei-zh

Abstract

In light of the characteristics of copper-lead-zinc close intergrowth and fine dissemination size of a multi-metallic sulphide ore,a flotation flowsheet consisting of Cu-Pb bulk flotation-regrinding and reflotation of Cu-Pb rougher concentrate-Znic flotation was adopted and tested.Based on the systemic condition tests,the separation of copper from lead and zinc was realized successfully.The copper concentrate with Cu grade of 21.05%and 86.71%recovery,lead concentrate with Pb grade of 63.94% and 851 53%recovery,and zinc concentrate with Zn grade of 571 40%and 85171%recovery are obtained respectively.It provides an experimental basis for the reasonable recover of these mineral resources.

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Key concepts: Copper, Zinc, Metallurgy, Copper extraction techniques, Lead (geology), Metal, Mineral processing, Froth flotation