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To date, the global energyEnergy transition to renewable sources has expanded the lithiumLithium market due to its high electrochemical properties. Thus, this study explores lithium recovery from an underexploited Nigerian spodumeneSpodumene deposit through a low-energy hydrometallurgical route. The ore was initially treated through sodium carbonate roasting, and the calcined product was leached in deionized water for the optimization of extraction conditions prior to its beneficiation. The mineralogical characterization confirmed highly crystalline spodumeneSpodumene with admixture of silicate minerals. At a set of experimental aqueous leaching conditions, lithium recovery exceeded 90% using 1:4 g/g ore-to-salt ratio, a 700 °C temperature, within 60 min. Through precipitation, carbonization, and crystallization protocols, the pure lithiumLithium-leach liquor was accordingly purified to obtain 99.5% high-grade lithium carbonateLithium carbonate (LiCO) (Li₂CO₃: 00–022-1141). The precursor as characterized is recommended for use in battery manufacturing and energyEnergy materials in some defined applications.

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Processing of Indigenous Spodumene Ore for Lithium Liberation: A Precursor for Industrial Lithium Battery Materials

  • 会议论文

  • 发表日期：

    2026年

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  • Alafara A. Baba,
  • Aishat Y. Abdulkareem,
  • Abdulhakeem Bello

摘要

To date, the global energyEnergy transition to renewable sources has expanded the lithiumLithium market due to its high electrochemical properties. Thus, this study explores lithium recovery from an underexploited Nigerian spodumeneSpodumene deposit through a low-energy hydrometallurgical route. The ore was initially treated through sodium carbonate roasting, and the calcined product was leached in deionized water for the optimization of extraction conditions prior to its beneficiation. The mineralogical characterization confirmed highly crystalline spodumeneSpodumene with admixture of silicate minerals. At a set of experimental aqueous leaching conditions, lithium recovery exceeded 90% using 1:4 g/g ore-to-salt ratio, a 700 °C temperature, within 60 min. Through precipitation, carbonization, and crystallization protocols, the pure lithiumLithium-leach liquor was accordingly purified to obtain 99.5% high-grade lithium carbonateLithium carbonate (LiCO) (Li₂CO₃: 00–022-1141). The precursor as characterized is recommended for use in battery manufacturing and energyEnergy materials in some defined applications.