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Effect of antimonate on the bacterial oxidation of sulfide minerals extracted from persistent gold-bearing ores

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Metallurgist Aims and scope

Results are reported from a study of the effect of the antimonate content of sulfides on oxidation activity, pH, and oxidation-reduction potential (E h ) in bacterial oxidation. A comparison is made between the bacterial-oxidation parameters of selective arsenic and antimony concentrates and a collective sulfide concentrate. The study results show that the kinetics of bacterial oxidation of the arsenic concentrate can be improved significantly by performing flotation in accordance with a new flow scheme that extracts antimonate from gold-bearing sulfide ore as a separate concentrate.

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This study was carried out with financial support from the Research and Development Program of the Moscow Institute of Steels and Alloys.

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Authors and Affiliations

  1. National Research Technological University – Moscow Institute of Steel and Alloys (NITU MISiS), Moscow, Russia

    A. V. Kanarskii, L. N. Krylova & E. V. Adamov

Authors
  1. A. V. Kanarskii
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  2. L. N. Krylova
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  3. E. V. Adamov
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Correspondence to L. N. Krylova.

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Translated from Metallurg, No. 7, pp. 83–88, July, 2011.

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Kanarskii, A.V., Krylova, L.N. & Adamov, E.V. Effect of antimonate on the bacterial oxidation of sulfide minerals extracted from persistent gold-bearing ores. Metallurgist 55, 526–533 (2011). https://doi.org/10.1007/s11015-011-9463-x

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  • DOI: https://doi.org/10.1007/s11015-011-9463-x

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