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| STUDY ON BACTERIA LEACHING OF REFRACTORY LOW-GRADE Cu-Ni ORE |
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| DOI： |
| KeyWord:Refractory low grade Cu Ni ore,Two stage bacteria leaching,Ag catalyzation |
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| Abstract: |
| The testwork on bacteria leaching of refractory low grade Cu Ni ore is described in this paper. The catalytic function of Ag on bacteria leaching of Cu Ni ore is studied, and the catalytic mechanism is preliminarily discussed. Based on the bacteria leaching mechanism of polymetallic sulfide ore, two stage bacteria leaching process is put forward, which eliminates negtive influence of nickel on the dissolution of chalcopyrite. The leaching recovery of copper and nickel is respectively 68.07% and 68.13%. |
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