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Thermodynamic calculations using thermodynamic software packages like FactSageFactSage have emerged as a valuable tool for optimizing pyrometallurgical processes. A review of the chemistry and process conditions is presented for several Ni and Co processes, including sulfide and lateriteLaterites smeltingSmelting, as well as battery recyclingBattery recycling. In the presentation, examples of FactSageFactSage calculations and highlights of limitations and inaccuracies in the existing models are to be presented. In this extended abstract, we describe a procedure for enhancing model predictions through a targeted experimental study. An example is provided to quantify the effect of Al2O3 concentration in slagSlag on the solubilitySolubility of nickelNickel. The experimental procedure involves planning targeted experiments, high-temperature equilibration, quenching, and electron probe X-ray microanalysis, followed by the revision of interaction parameters in the thermodynamic model.

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Progress in Thermodynamic Databases for Ni and Co Pyrometallurgical Applications

  • 会议论文

  • 发表日期：

    2025年

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  • Svetlana Sineva,
  • Denis Shishin,
  • Evgueni Jak

摘要

Thermodynamic calculations using thermodynamic software packages like FactSageFactSage have emerged as a valuable tool for optimizing pyrometallurgical processes. A review of the chemistry and process conditions is presented for several Ni and Co processes, including sulfide and lateriteLaterites smeltingSmelting, as well as battery recyclingBattery recycling. In the presentation, examples of FactSageFactSage calculations and highlights of limitations and inaccuracies in the existing models are to be presented. In this extended abstract, we describe a procedure for enhancing model predictions through a targeted experimental study. An example is provided to quantify the effect of Al2O3 concentration in slagSlag on the solubilitySolubility of nickelNickel. The experimental procedure involves planning targeted experiments, high-temperature equilibration, quenching, and electron probe X-ray microanalysis, followed by the revision of interaction parameters in the thermodynamic model.