Chemical leaching of copper-zinc concentrate with ferric iron biosolution
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2017
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Abstract
The process of leaching of copper-zinc concentrate with a solution containing biogenic iron, which is a product of the metabolism of iron-oxidizing microorganisms, was studied. The dependence of leaching rate of metals on temperature and pH was determined. It was shown that up to 98% of zinc and 70% of iron could be removed from the concentrate, while up to 7 and 4 g/L of zinc and copper, respectively, were accumulated in the liquid phase, which was sufficient for metal recovery. It was established that a copper concentrate with copper content up to 16% and only 0.5% of zinc could be obtained after chemical leaching for 340 min at 80°C.
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fomchenko2017appliedchemical
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| Authors | N. V. Fomchenko;M. I. Muravyov;N. V. Fomchenko;M. I. Muravyov; |
| Journal | applied biochemistry and microbiology |
| Year | 2017 |
| DOI |
doi:10.1134/S0003683817060059
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