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Gold Science and Technology ›› 2013, Vol. 21 ›› Issue (5): 71-75.

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Study on the Beneficiation Tests of a Low Grade Mixed Copper Ore

ZHENG Xilian，HUANG Sijie，WEI Zhuanhua   

  1. Xiamen Zijin Mining and Metallurgy Technology Co.，Ltd.，Xiamen   361101，Fujian，China
  • Received:2013-06-14 Revised:2013-08-10 Online:2013-10-28 Published:2014-04-02

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Abstract:

The rude ore of a low grade mixed copper ore is a low grade and high oxidation rate copper ore，which with a grade of 0.32% and an oxygenation efficiency of 50.73%.To take full advantage of the partial copper resources and against the characteristics of mixed copper ore，the article conducted the copper sulfide flotation firstly，and then conducted activation and copper oxide flotation by the process of one roughing，three refining and one scavenging.A series of condition tests have been conducted，and the closed-circuit tests which based on the optimal parameters of condition tests can obtain the copper concentrate with a grade of 18.58%，recovery rate of 77.55% and associated gold recoveries of 70.67%.The flotation indexes are satisfactory.The technological process and reagent system are simple，adaptable and easy to realize commercial production.

Key words: low grade, high oxidation rate, mixed copper ore, flotation

CLC Number: 

  • TF83

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