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Leach-precipitation-flotation process

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Abstract

To Ray Mines div. of Kennecott Copper Corp., LPF means the recovery of 2 lb of copper per ton of mill feed. Non-sulfide copper minerals are treated by leaching with sulfuric acid and precipitation by sponge iron produced from pyrite concentrate. This article outlines the process with particular emphasis on the sponge-iron plant, shown in the photo below.

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Reference

  1. A. W. Last, J. L. Stevens, and L. Eaton, Jr: LPF Treatment of Ray Ores, Mining Engineering, Nov. 1957, vol. 9, pp. 1236–1238.

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Authors and Affiliations

  1. Kennecott Copper Corp., Hayden, Ariz., USA

    M. W. Franz

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  1. M. W. Franz
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Franz, M.W. Leach-precipitation-flotation process. JOM 11, 382–385 (1959). https://doi.org/10.1007/BF03398862

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  • DOI: https://doi.org/10.1007/BF03398862

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