合成Si-Fe-Mg系複合含水酸化物のイオン吸着特性 Adsorption Properties of Synthetic Si-Fe-Mg Mixed Hydrous Oxides

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The hydrous oxides of metallic elements adsorb ions. In this study, ten Si-Fe-Mg mixed hydrous oxide samples were synthesized using various Si, Fe (III) and Mg molar ratios, and the adsorption properties of these samples were evaluated in terms of ion adsorption rate. The adsorption rate was high for most samples, and uptake occurred at the adsorption equilibrium for 24 hours. In particular, sample No. 10, for which the molar ratio of the metallic elements was Si : Fe : Mg = 0.1 : 0.1 : 0.8, which is the ratio with the highest of Mg, had adsorbed large amounts of arsenite and phosphate ions. The adsorption isotherms for fluorine, boron, arsenate, arsenite, phosphate, selenate and selenite ions had various various correspondences to the equation of Freundlich. Because the gradient of the equations was 0.1 - 0.5, sample No. 10 could adsorb from low and high concentrations of harmful ions easily.

収録刊行物

  • 水環境学会誌 = Journal of Japan Society on Water Environment  

    水環境学会誌 = Journal of Japan Society on Water Environment 30(3), 133-138, 2007-03-10 

    Japan Society on Water Environment

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各種コード

  • NII論文ID(NAID)
    10018577595
  • NII書誌ID(NCID)
    AN10372439
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09168958
  • NDL 記事登録ID
    8738139
  • NDL 雑誌分類
    ZN5(科学技術--建設工学・建設業--都市工学・衛生工学)
  • NDL 請求記号
    Z16-1045
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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