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An investigation into the leaching kinetics of cobaltite ore with ferric sulfate solutions

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Abstract

A method for the extraction of cobalt from cobalt-arsenic-sulfide (cobaltite) ores or concentrates has been identified. The method utilizes an atmospheric oxygen-acidic ferric sulfate leach, at temperatures up to 373 K (100°C), to place the cobalt in solution. Extraction of 80 pct of the cobalt was obtained within 24 h and the tests indicate that greater and more rapid extractions are possible. Experiments were performed to assess the effects of temperature, ferric concentration, acid concentration, particle size, oxygen addition, and silver addition on the kinetics of cobaltite and chalcopyrite dissolution.

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References

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Authors and Affiliations

  1. Department of Mining Engineering and Metallurgy, College of Mines, University of Idaho, 83843, Moscow, ID

    P. R. Taylor (Assistant Professor of Metallurgical Engineering)

  2. U.S. Borax Company, 93516, Boron, CA

    J. P. Vanderloop (Research Engineer)

Authors
  1. P. R. Taylor
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  2. J. P. Vanderloop
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formerly Graduate Student, University of Idaho

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Taylor, P.R., Vanderloop, J.P. An investigation into the leaching kinetics of cobaltite ore with ferric sulfate solutions. Metall Trans B 11, 83–88 (1980). https://doi.org/10.1007/BF02657175

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  • DOI: https://doi.org/10.1007/BF02657175

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