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<p>Spent tributyl phosphate (TBP) dissolved in n-dodecane is a kind of radioactive organic waste that requires effective treatment in nuclear fuel reprocessing. This study optimized and evaluated the mineralization of TBP/n-dodecane using O<sub>3</sub>/H<sub>2</sub>O<sub>2</sub> advanced oxidation process. Under optimal conditions (pH 7.0, H<sub>2</sub>O<sub>2</sub> dosage of 86.3&#xa0;mL, O<sub>3</sub> concentration of 159.7&#xa0;mg&#xa0;L<sup>−1</sup>, and reaction time of 12&#xa0;h), a mineralization efficiency of 96.6% was achieved, with a residual TOC of 759.0&#xa0;mg L<sup>−1</sup>. The results show that the reaction process conforms to a pseudo-first-order kinetics.</p>

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Study on the mineralization of TBP/n-dodecane using O3/H2O2 advanced oxidation process

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • Sijie Yin,
  • Ji Jia,
  • Lijun Huo,
  • Wendong Feng,
  • Xiangbiao Yin

摘要

Spent tributyl phosphate (TBP) dissolved in n-dodecane is a kind of radioactive organic waste that requires effective treatment in nuclear fuel reprocessing. This study optimized and evaluated the mineralization of TBP/n-dodecane using O3/H2O2 advanced oxidation process. Under optimal conditions (pH 7.0, H2O2 dosage of 86.3 mL, O3 concentration of 159.7 mg L−1, and reaction time of 12 h), a mineralization efficiency of 96.6% was achieved, with a residual TOC of 759.0 mg L−1. The results show that the reaction process conforms to a pseudo-first-order kinetics.