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Phase Equilibrium Studies of Iron Silicate Slag in the Liquid/Spinel/White Metal/Gas System for Copper Converting Process

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Abstract

The phase equilibria of iron silicate slags in liquid/spinel/white metal/gas system for the copper converting process were studied, for the first time, under controlled P(SO2) 0.4 atm and P(O2) 10−6 atm in the spinel primary phase field. The liquidus temperatures of slags in the “FeO”-SiO2-“Cu2O” system were determined, and the solubilities of “Cu2O” in the spinel phase were also quantified. The results would be beneficial for the industrial copper converting operations, and thermodynamic modeling development.

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The authors would like to thank National Copper Corporation of Chile (Codelco) and Dongying Fangyuan Non-ferrous Metals for financial support. The authors acknowledge the facilities, and the scientific and technical assistance, of the Australian Microscopy & Microanalysis Research Facility at the Centre for Microscopy and Microanalysis, The University of Queensland.

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Authors and Affiliations

  1. School of Chemical Engineering, The University of Queensland, Brisbane, 4072, Australia

    Yongqi Sun, Mao Chen & Baojun Zhao

  2. Dongying Fangyuan Nonferrous Metals, Dongying, 257000, P.R. China

    Zhixiang Cui

  3. National Copper Corporation of Chile, Huefanos 1270, Santiago, Chile

    Leonel Contreras

Authors
  1. Yongqi Sun
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  2. Mao Chen
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  3. Zhixiang Cui
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  4. Leonel Contreras
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  5. Baojun Zhao
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Correspondence to Mao Chen.

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Manuscript submitted October 30, 2019.

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Sun, Y., Chen, M., Cui, Z. et al. Phase Equilibrium Studies of Iron Silicate Slag in the Liquid/Spinel/White Metal/Gas System for Copper Converting Process. Metall Mater Trans B 51, 426–432 (2020). https://doi.org/10.1007/s11663-020-01786-z

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  • DOI: https://doi.org/10.1007/s11663-020-01786-z

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