Cr(III) Removal from Aqueous Solution by Alkaline Solution

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抄録

The removal of Cr(III) in an aqueous solution by an alkaline solution was experimentally and theoretically investigated. The experiment was carried out in a batch stirred reactor at room temperature. A mathematical model based on mass and charge balances of reactions in the solution at an equilibrium condition was proposed. The effects of certain parameters, such as pH, initial Cr(III) concentration in the solution, and the ratio of NaOH/Ca(OH)<SUB>2</SUB> added to the solution, were investigated. The removal increased with pH and initial Cr(III) concentration. The use of the NaOH/Ca(OH)<SUB>2</SUB> ratio was the most important variable affecting the removal. The results show that Cr(III) removal about 100% in the solution was achieved when the solution was treated at pH 6.8 under the current experimental condition. It was also shown that the results thus obtained using the model is in good agreement with experimental data.

収録刊行物

  • Journal of chemical engineering of Japan  

    Journal of chemical engineering of Japan 39(7), 724-730, 2006-07-01 

    公益社団法人 化学工学会

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各種コード

  • NII論文ID(NAID)
    10018182764
  • NII書誌ID(NCID)
    AA00709658
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    00219592
  • NDL 記事登録ID
    7987401
  • NDL 雑誌分類
    ZP1(科学技術--化学・化学工業)
  • NDL 請求記号
    Z53-R395
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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