水溶液中の微量有害有機物の除去に対する溶媒浮選法の適用 Application of Solvent Sublation for Removal of Toxic Organic Compounds from Aqueous Solution

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Removal of 12 organic compounds containing chloro-chemicals from an aqueous solution has been carried out using solvent sublation.The removal was obtaind to compare with the experimental results. The removal rate of organic compounds is strongly concerned with the physical and chemical properties of their compounds,such as solubility,vapor pressure,surface tension and distribution coefficient between the aqueous and organic phase.The experimental removal rate is evaluated and discussed concernig the physical and chemical properties of the compounds to be removed. A model for the removal mechanism is constracted by considering several terms such as adsorption on bubble,entrainment with boudary layer of bubble,vaporization to bubble and mass transfer to the organic solvent in the upper part of column.The calculated value is in good agreement with the experimental results.Accoding to the removal model,contribution percentage of the above terms is estimated and then it is clarified which terms are significant for the removal of the organic compounds with different chemical properties.

Removal of 12 organic compounds containing chloro-chemicals from an aqueous solution has been carried out using solvent sublation. The removal mechanism of solvent sublation was studied, from which the calculated value for removal was obtaind to compare with the experimental results.<BR>The removal rate of organic compounds is strongly concerned with the physical and chemical properties of their compounds, such as solubility, vapor pressure, surface tension and distribution coefficient between the aqueous and organic phase. The experimental removal rate is evaluated and discussed concerning the physical and chemical properties of the compounds to be removed. A model for the removal mechanism is constracted by considering several terms such as adsorption on bubble, entrainment with boundary layer of bubble, vaporization to bubble and mass transfer to the organic solvent in the upper part of column. The calculated value is in good agreement with the experimental results. According to the removal model, contribution percentage of the above terms is estimated and then it is clarified which terms are significant for the removal of the organic compounds with different chemical properties.

収録刊行物

  • 資源と素材 : 資源・素材学会誌 : journal of the Mining and Materials Processing Institute of Japan

    資源と素材 : 資源・素材学会誌 : journal of the Mining and Materials Processing Institute of Japan 113(9), 701-706, 1997-09

    資源・素材学会

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各種コード

  • NII論文ID(NAID)
    10002284277
  • NII書誌ID(NCID)
    AN10062646
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09161740
  • NDL 記事登録ID
    4304622
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-315
  • データ提供元
    CJP書誌  NDL  IR  J-STAGE 
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