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BismuthBismuth is found in numerous mineral deposits and is typically considered as undesirable by-product. However, its designation as a critical raw material and mineral by the European Commission in 2017 and the USA in 2018 has renewed interest in bismuth. These among others have made demands for bismuth and its defined compound to gain considerable attention as a lead substitute in alloys and chemicals industries. This study explored low-cum-ecofeasible energyEnergy parameters in the preparation of bismuth compounds from an indigenous bismutite oreBismutite ore through acid leachingLeaching for industrial value addition. The effects of parameters such as lixiviant concentration, reaction temperature, and particle size on bismuth recoveryPure bismuth recovery were thoroughly examined. Under the established optimal conditions, the low-energyEnergy leachingLeaching process yielded 97.9% efficiency. The resulting bismuthBismuth leach solution was further processed to produce a high-purity bismuth-containing compound recommended for use in bismuth-based alloys application.

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Preparation of an Indigenous Bismutite Ore for Improved Bismuth-Based Alloys Production

  • 会议论文

  • 发表日期：

    2026年

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  • Alafara A. Baba,
  • Ayo F. Balogun,
  • Bankim C. Tripathy,
  • Fatai O. Okeola,
  • Franklin Uba,
  • Ayowole A. Owolabi,
  • Daud T. Olaoluwa,
  • Sunday O. Jacob,
  • Iheanyichukwu Ajoku

摘要

BismuthBismuth is found in numerous mineral deposits and is typically considered as undesirable by-product. However, its designation as a critical raw material and mineral by the European Commission in 2017 and the USA in 2018 has renewed interest in bismuth. These among others have made demands for bismuth and its defined compound to gain considerable attention as a lead substitute in alloys and chemicals industries. This study explored low-cum-ecofeasible energyEnergy parameters in the preparation of bismuth compounds from an indigenous bismutite oreBismutite ore through acid leachingLeaching for industrial value addition. The effects of parameters such as lixiviant concentration, reaction temperature, and particle size on bismuth recoveryPure bismuth recovery were thoroughly examined. Under the established optimal conditions, the low-energyEnergy leachingLeaching process yielded 97.9% efficiency. The resulting bismuthBismuth leach solution was further processed to produce a high-purity bismuth-containing compound recommended for use in bismuth-based alloys application.