XPS study of MnO2 minerals treated by bi
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V. Di Castro; G. Polzonetti; G. Contini; C. Cozza; B. Paponetti
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Article
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1990
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John Wiley and Sons
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English
โ 326 KB
## Abstract XPS has been used to follow the change of the ore surface composition during bioleaching with a mixed culture of microorganisms. In the original sample, the presence of MnO~2~ together with silica and alumina is observed. During bioleaching, Mn(IV) is progressively reduced to Mn(II) and