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The increasing complexity of ore resources and recycled materials presents a significant challenge for pyrometallurgical engineers, who are required to optimizeOptimize the recoveryRecovery of valuable elementsElements while minimizing environmental impactEnvironmental Impact. Computational tools are critical for predicting mass and energy balancesMass and energy balance in these complex systems, and their accuracy depends on high-quality data on multicomponentMulticomponent phase equilibriaPhase equilibria. In the present study, the distributionsDistribution of Pb, Zn, Fe, As, Sn, Sb, Bi, and Ni between oxide liquid and metalMetal in the “CuO0.5”–CaO–SiO2 system were studied using the high-temperature equilibration and quenching technique, followed by electron probe X-ray microanalysis (EPMAElectron Probe X-ray Microanalysis (EPMA)). The results were compared with the developed thermodynamicThermodynamics modelModel of the Cu–Pb–Zn–Fe–Ca–Si–Al–Mg–O–S–(As, Sn, Sb, Bi, Ag, Au, Ni, Cr, Co, and Na) gas/oxide liquid/matteMatte/speissSpeiss/metalMetal/solids system.

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Distribution of Pb, Zn, Fe, As, Sn, Sb, Bi and Ni Between Oxide Liquid and Metal in the “CuO0.5”–CaO–SiO2 System in Equilibrium with Cu Metal at 1450 °C

  • 会议论文

  • 发表日期：

    2025年

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  • Georgii Khartcyzov,
  • Denis Shishin,
  • Maksym Shevchenko,
  • Evgueni Jak

摘要

The increasing complexity of ore resources and recycled materials presents a significant challenge for pyrometallurgical engineers, who are required to optimizeOptimize the recoveryRecovery of valuable elementsElements while minimizing environmental impactEnvironmental Impact. Computational tools are critical for predicting mass and energy balancesMass and energy balance in these complex systems, and their accuracy depends on high-quality data on multicomponentMulticomponent phase equilibriaPhase equilibria. In the present study, the distributionsDistribution of Pb, Zn, Fe, As, Sn, Sb, Bi, and Ni between oxide liquid and metalMetal in the “CuO0.5”–CaO–SiO2 system were studied using the high-temperature equilibration and quenching technique, followed by electron probe X-ray microanalysis (EPMAElectron Probe X-ray Microanalysis (EPMA)). The results were compared with the developed thermodynamicThermodynamics modelModel of the Cu–Pb–Zn–Fe–Ca–Si–Al–Mg–O–S–(As, Sn, Sb, Bi, Ag, Au, Ni, Cr, Co, and Na) gas/oxide liquid/matteMatte/speissSpeiss/metalMetal/solids system.