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Experimental Study on Mineral Processing Technology of Cu-Pb-Zn Polymetallic Sulphide Ore

NIE Qi,CHENG Yong,LIU Cong,LU Ping,WEN Yiming   

  1. Faculty of Mining Engineering,Kunming Metallurgy College,Kunming 650033,China
  • Received:2017-04-03 Online:2018-06-30 Published:2018-06-30

Abstract: Due to the low-grade of Cu and Pb,the complicated symbiotic relation and the feature of easy to float yet hard to be separated of a certain Cu-Pb-Zn polymetallic sulphide ore,a flow-sheet consisting of Cu-Pb bulk flotation-Zinc flotation was selected.NaSO+ZnSO4 combined depressant and ammonium dibutyl dithiophosphate+butyl xanthate combined collector were used in bulk flotating copper and lead.In the experiments of the closed-circuit flow,a bulk concentrate with 21.67% of lead and 2.37% of copper can be obtained by a recovery of 75.68% Pb and 75.54% Cu,as well as the zinc concentrate with zinc grade of 55.42% and recovery of 88.12%.And satisfactory results can be obtained.

Key words: flotation, Cu-Pb-Zn polymetallic sulphide ore, combined reagent

CLC Number: