Adsorption Properties of Europium on Granulated α-Zirconium Phosphate

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Adsorption behavior of Eu<SUP>3+</SUP> on granulated a-zirconium phosphate (α-ZrP) has been studied by batch and column methods. The distribution coefficients (K<SUB>d</SUB>) of Eu<SUP>3+</SUP> into α-ZrP increased with equilibrium pH, suggesting ion-exchange adsorption. The K<SUB>d</SUB> values were in the order of Eu<SUP>3+</SUP>>Cs<SUP>+></SUP>Sr<SUP>2+</SUP>>Co<SUP>2+</SUP>>Na<SUP>+</SUP>. An expansion of interlayer distance of α-ZrP in the presence of Na<SUP>+</SUP> enables the large hydrated Eu<SUP>3+</SUP> ions to be adsorbed on this exchanger, and the adsorption isotherm of Eu<SUP>3+</SUP> ions followed Freundlich's adsorption formula. The granulated α-ZrP has high thermal stability and acid resistance. The breakthrough capacity for Eu<SUP>3+</SUP> linearly increased with pH of the effluent.

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  • Journal of nuclear science and technology  

    Journal of nuclear science and technology 33(7), p.592-596, 1996-07-25 

    Atomic Energy Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002075180
  • NII書誌ID(NCID)
    AA00703720
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    00223131
  • NDL 記事登録ID
    4060411
  • NDL 雑誌分類
    ZM35(科学技術--物理学)
  • NDL 請求記号
    Z53-A460
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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