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J4 ›› 2004, Vol. 12 ›› Issue (2): 27-34.

• article • Previous Articles     Next Articles

Study on Hydrometallurgical Process for Comprehensive Recovery Au,Ag,Cu and S From Copper-Bearing Gold Concentrate

HUANG Huaiguo 1,2   

  1. 1.Xiamen Zijin Science and Technology Co., Ltd., Fujian, Xiamen 361006,China;
    2.Fujian Zijin Research Institute of Mining and Metallurgy,Fujian Zijin Mining Industry Co., Ltd., Fujian Shanghang  364200,China
  • Received:2003-12-09 Revised:2004-01-08 Online:2004-04-28 Published:2011-09-15

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Abstract:

A clean hydrometallurgy process of comprehensive recovering gold,silver,copper and sulfur from copper-bearing gold concentrates is studied.This process consists three sections:(1)oxidation leaching of Cu by hot-pressure acid leaching,(2)extraction of sulfur by kerosene-soluble method,(3)leaching gold and silver with cyanide. The recovery rates of gold,silver,copper and sulfur are 97.3%,76.0%,99.0% and 99.1% respectively.Hot-pressure acid leaching of Cu is operated at 110℃ of temperature and 0.45 MPa of oxygen partial pressure,with the advantage of high recovery for valuable constituent,simple technology and easy application to industrial processing.

Key words: Copper-bearing gold concent rates, Comprehensive recovery, Hydrometallurgy, Hot-pressure acid leaching

CLC Number: 

  • TF831/TF803.2

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