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As global energyAlkaline leaching demandUranium increases appreciably due to rising population growth and the expansion of manufacturing industries, nuclear energy will play a vital role in meeting future demand, thanks to its high energy density and low carbon emissions. Thus, uranium is a crucial nuclear fuel and a vital strategic resource for national security. The separationSeparation and recovery of uraniumUranium from an indigenous boltwoodite oreBoltwoodite ore in ammonium hydroxide (NH4OH) leaching was examined. The influences of some experimental parameters, including leachant concentration, reaction temperature, and particle size, were studied to optimize theLeaching leaching kineticsKinetics. At a set of established conditions, uraniumUranium dissolution reached 76.1%, as the activation energy of 22.27 kJ/mol was estimated for the diffusion-controlled leachingLeaching process. The purification of the uranium leach liquor was subsequently achieved through precipitation routes to obtain high-grade industrial uraniumUranium compound recommended for use in nuclear fuel applications.

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Alkaline Leaching of Uranium from an Indigenous Boltwoodite Ore for Nuclear Fuel Production

  • 会议论文

  • 发表日期：

    2026年

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  • Alafara A. Baba,
  • Mustapha A. Raji,
  • Rafiu B. Bale,
  • Kuranga I. Ayinla,
  • Fausat T. Akanji,
  • Daud T. Olaoluwa,
  • Christianah O. Adeyemi,
  • Ayo F. Balogun

摘要

As global energyAlkaline leaching demandUranium increases appreciably due to rising population growth and the expansion of manufacturing industries, nuclear energy will play a vital role in meeting future demand, thanks to its high energy density and low carbon emissions. Thus, uranium is a crucial nuclear fuel and a vital strategic resource for national security. The separationSeparation and recovery of uraniumUranium from an indigenous boltwoodite oreBoltwoodite ore in ammonium hydroxide (NH4OH) leaching was examined. The influences of some experimental parameters, including leachant concentration, reaction temperature, and particle size, were studied to optimize theLeaching leaching kineticsKinetics. At a set of established conditions, uraniumUranium dissolution reached 76.1%, as the activation energy of 22.27 kJ/mol was estimated for the diffusion-controlled leachingLeaching process. The purification of the uranium leach liquor was subsequently achieved through precipitation routes to obtain high-grade industrial uraniumUranium compound recommended for use in nuclear fuel applications.