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<p>This study presents an equilibrium-based thermodynamic analysis of carbon anode reactions in the electrolytic reduction process for recycling light water reactor (LWR) spent nuclear fuel. The analysis quantitatively evaluates carbonate, carbon, and carbide formation induced by carbon anodes and elucidates their detrimental impact on reduction efficiency. However, these adverse effects can be effectively mitigated by adjusting the anodic potential to a sufficiently positive value that enables the in-situ generation of chlorine gas, which suppresses carbonate and carbon formation.</p>

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Thermodynamic analysis of the carbon anode reaction in the electrolytic reduction of LWR spent fuel

  • 期刊论文

  • 发表日期：

    2026年3月23日

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  • Jin-Mok Hur,
  • Sangkwon Lee,
  • Jae Soo Ryu

摘要

This study presents an equilibrium-based thermodynamic analysis of carbon anode reactions in the electrolytic reduction process for recycling light water reactor (LWR) spent nuclear fuel. The analysis quantitatively evaluates carbonate, carbon, and carbide formation induced by carbon anodes and elucidates their detrimental impact on reduction efficiency. However, these adverse effects can be effectively mitigated by adjusting the anodic potential to a sufficiently positive value that enables the in-situ generation of chlorine gas, which suppresses carbonate and carbon formation.