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Base metal recovery from a tailings dump by bacterial oxidation
Base metal recovery from a tailings dump by bacterial oxidation
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机译:通过细菌氧化从尾矿堆中回收贱金属
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摘要
A method of recovering base metal from a tailings dump which includes the steps of: aerating a surface layer of the dump; adjusting the pH and the moisture content of the surface layer to provide conditions favourable for bacterial oxidation of sulphide minerals; allowing bacterial oxidation to take place for a controlled period, after the controlled period removing the oxidized surface layer and adding water thereto for form a slurry; separating the slurry into solids and a solution; and recovering base metal from the solution.
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