非イオン性界面活性剤によるベントナイト/水溶液系への多環式芳香族炭化水素の溶解

書誌事項

タイトル別名
  • Solubilization of Polycyclic Aromatic Hydrocarbons in Bentonite/Aqueous Systems by Nonionic Surfactants.
  • ヒイオンセイ カイメン カッセイザイ ニ ヨル ベントナイト スイヨウエキケイ エ ノ タカンシキ ホウコウゾク タンカスイソ ノ ヨウカイ

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説明

Enhanced solubilization of phenanthrene and pyrene from bentonite in micellar solutions of Brij 30 and Triton X-100 has been studied. Experiments in batch bentonite/aqueous systems were conducted to investigate the effectiveness of solubilization of phenanthrene and pyrene. The results obtained in the present study are as follows:<BR>The solubilization of pyrene from bentonite in surfactant solutions was very low because of low water solubility and strong sorption onto bentonite of pyrene. Meanwhile, the solubilization of phenanthrene increased at bulk surfactant concentrations greater than the surfactant critical micelle concentration and was in the order of Triton X-100 > Brij 30. The solubilization of phenanthrene was also analyzed based on the partitioning of phenanthrene between bentonite, nonionic surfactant micelles and aqueous solution surrounding the micelles.

収録刊行物

  • 資源処理技術

    資源処理技術 46 (3), 136-140, 1999

    一般社団法人 環境資源工学会

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