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<p>Oxygen vacancy-engineered MoO<sub>3−x</sub> was hydrothermally synthesized to investigate its U(VI) adsorption performance. The results revealed a positive correlation between oxygen vacancy concentration and adsorption capacity. The adsorption process followed pseudo-second-order kinetics and the Freundlich isotherm, achieving a maximum capacity of 265.10&#xa0;mg&#xa0;g<sup>−1</sup> under optimal conditions. This work demonstrates the potential of vacancy-rich MoO<sub>3-x</sub> as an efficient adsorbent for radioactive wastewater remediation.</p>

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Hydrothermally synthesized oxygen vacancy-enriched MoO3-x: unveiling the vacancy-driven adsorption mechanism and superior U(VI) removal for radioactive wastewater remediation

  • 期刊论文

  • 发表日期：

    2026年3月25日

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  • Liming Fu,
  • Chao Zhou,
  • Pengfei Yang,
  • Guowen Peng

摘要

Oxygen vacancy-engineered MoO3−x was hydrothermally synthesized to investigate its U(VI) adsorption performance. The results revealed a positive correlation between oxygen vacancy concentration and adsorption capacity. The adsorption process followed pseudo-second-order kinetics and the Freundlich isotherm, achieving a maximum capacity of 265.10 mg g−1 under optimal conditions. This work demonstrates the potential of vacancy-rich MoO3-x as an efficient adsorbent for radioactive wastewater remediation.