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<p>Nuclear energy offers significant potential to address energy shortages and carbon neutrality goals, yet uranium-containing wastewater management remains a critical challenge. This study developed Mn/Co-MOF@SiO<sub>2</sub>-AO materials using cationic surfactant-assisted mixed micelles for selective uranium removal. Structural characterization (XRD, FT-IR, TEM and BET) confirmed successful synthesis. Systematic investigations revealed the material's adsorption kinetics, isotherms, and thermodynamics, achieving a maximum U(VI) capacity of 636.96&#xa0;mg/g (298&#xa0;K) with strong ionic strength tolerance and selectivity. XPS analysis elucidated the adsorption mechanism.</p>

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Study of uranium adsorption on Mn/Co-MOF@SiO2-AO composites

  • 期刊论文

  • 发表日期：

    2025年6月6日

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  • Yuming Xie,
  • Guolin Huang,
  • Qin Zhang,
  • Jiangang Li,
  • Wei Peng,
  • Xiancai He,
  • Lin Xu

摘要

Nuclear energy offers significant potential to address energy shortages and carbon neutrality goals, yet uranium-containing wastewater management remains a critical challenge. This study developed Mn/Co-MOF@SiO2-AO materials using cationic surfactant-assisted mixed micelles for selective uranium removal. Structural characterization (XRD, FT-IR, TEM and BET) confirmed successful synthesis. Systematic investigations revealed the material's adsorption kinetics, isotherms, and thermodynamics, achieving a maximum U(VI) capacity of 636.96 mg/g (298 K) with strong ionic strength tolerance and selectivity. XPS analysis elucidated the adsorption mechanism.