2008•Materials Research and ApplicationRequires access

Study on the flotation process for complex Cu-Pb-Zn sulphide ore

Qiming Feng

Abstract

The Cu,Pb,and Zinc ore from an Inner Mongolia Sulphide Deposit in China is characterized by low grade and complex mineral composition with the minerals being oxidized to a certain degree.In this study,a process of Pb preferential flotation and Zn beneficiation from its tailings by adopting SN-9 and CD as collectors for galena and No.38 xanthate for Zn mineral has been developed.Pb concentrate with grade of 41.08% and recovery of 60.96%,and Zn concentrate with grade of 45.76% and recovery of 78.97% were obtained when a run-of-mine ore with grade of 1.08% Pb and 2.43% Zn was processed.The copper was enriched in the Pb concentrate.

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Key concepts: Beneficiation, Xanthate, Tailings, Galena, Inner mongolia, Metallurgy, Mineral processing, Zinc