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Mathematical modeling of minor-element behavior in flash smelting of copper concentrates and flash converting of copper mattes

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Abstract

A mathematical model has been developed to describe the behavior of minor elements during flash smelting and flash converting. The model incorporates equations describing volatilization of minor elements from the molten particles and distribution of these elements between the molten phases in the settler. The basic premise of the volatilization model is that at the surface of the molten particle, the partial pressures of the minor-element species are those at equilibrium. Transport of the minor-element species to the gas then is described by external mass transfer. Good agreement has been obtained between observed and predicted behaviors. The effects of oxygen enrichment, matte grade, and wall temperature, as well as the bath temperature, on minor-element behavior have been elucidated.

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Authors and Affiliations

  1. Research Laboratories, Inland Steel Company, 3001 E. Columbus Drive, 46322, E. Chicago, IN

    P. C. Chaubal

  2. Department of Metallurgy and Metallurgical Engineering, University of Utah, 84112-1183, Salt Lake City, UT

    H. Y. Sohn (Professor)

  3. Kennecott Utah Smelter, P.O. Box 329, 84044, Magna, UT

    D. B. George (Technical Superintendent)

  4. Technology Division, Waste Management Pro-grams for Kerr-McGee Corporation, P.O. Box 25861, 73125, Oklahoma City, OK

    L. K. Bailey (Manager)

Authors
  1. P. C. Chaubal
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  2. H. Y. Sohn
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  3. D. B. George
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  4. L. K. Bailey
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Additional information

Formerly Assistant Professor, Department of Metallurgy and Metallurgical EngineeringUniversity of Utah, Salt Lake City, UT

Formerly Metallurgical Engineer Kennecott, Salt Lake City, UT

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Chaubal, P.C., Sohn, H.Y., George, D.B. et al. Mathematical modeling of minor-element behavior in flash smelting of copper concentrates and flash converting of copper mattes. Metall Trans B 20, 39–51 (1989). https://doi.org/10.1007/BF02670348

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  • DOI: https://doi.org/10.1007/BF02670348

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