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<p>Radioactive liquid waste is a by-product resulting from the nuclear applications. Uranium in aqueous solution is able to form variety of uranyl complexes. However, there are few studies which reported the adsorption of anionic uranium complex by positively charge adsorbent. In the present study, Mg-amino clay (MgAC) is produced and used for the uranium adsorption. The effect of pH and sulphate concentration on the adsorption of uranium is examined and discussed. MgAC showed a superior adsorption capacity at pH ranges 3 ~ 5. The sulphate anion effect to uranium adsorption was apparent at concentration ranges 0.01 M and 0.1 M.</p>

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Effect of pH and sulphate ion concentration on the adsorption of uranium onto lamellar magnesium-amino clay

  • 期刊论文

  • 发表日期：

    2025年9月10日

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  • Dwi Luhur Ibnu Saputra,
  • Henny Purwaningsih,
  • Muhammad Farid,
  • Triyono Basuki,
  • Jaka Rachmadetin,
  • Herry Wijayanto,
  • Roza Indra Laksmana,
  • Yuli Purwanto

摘要

Radioactive liquid waste is a by-product resulting from the nuclear applications. Uranium in aqueous solution is able to form variety of uranyl complexes. However, there are few studies which reported the adsorption of anionic uranium complex by positively charge adsorbent. In the present study, Mg-amino clay (MgAC) is produced and used for the uranium adsorption. The effect of pH and sulphate concentration on the adsorption of uranium is examined and discussed. MgAC showed a superior adsorption capacity at pH ranges 3 ~ 5. The sulphate anion effect to uranium adsorption was apparent at concentration ranges 0.01 M and 0.1 M.