STUDY ON LEACHING TEST OF OXIDIZED COPPER ORE IN YUNNAN
Received:June 15, 2007  
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KeyWord:oxidized copper ore; sulphuric acid; leaching
WANG Hong-mei,LIU Si-qing,SUN Jing-min,GAO Feng(Faculty of L, , Resource Engineering,Kunming University of Science , Technology,Kunming 650093,China)
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Abstract:
      In this paper,a series of leaching tests on highly oxidized copper ore in Yunnan Province are conducted in the laboratory,such as leaching tests on different grinding meshes,leaching time,the ratio of liquid to solid,the consumption of sulphuric acid,etc.Results of the tests show that the leaching rate of copper reaches more than 90% by means of sulphuric acid under the best conditions which are particle size of-1mm,the leaching time of 4h,the leaching concentration of 20%,the ratio of ore to sulphuric acid...
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