A Study on Removal Characteristics and Effect Factors of Removal of Persistent Perfluorinated Compounds by Powdered Activated Carbon

DOI
  • KIMURA Koji
    Research Center for Environmental Quality Management, Graduate school of Engineering, Kyoto University
  • FUJII Shigeo
    Department of Technology and Ecology, Graduate School of Global Environmental Studies, Kyoto University
  • TANAKA Shuhei
    Research Center for Environmental Quality Management, Graduate school of Engineering, Kyoto University
  • QIU Yong
    Research Center for Environmental Quality Management, Graduate school of Engineering, Kyoto University
  • NOZOE Munehiro
    Research Center for Environmental Quality Management, Graduate school of Engineering, Kyoto University

Bibliographic Information

Other Title
  • 粉末活性炭による残留性有機フッ素化合物類の吸着除去特性および影響要因の検討

Abstract

Adsorption removal of eight per-fluorinated compounds by powdered activated carbon was studied. In single-solute solutions, adsorption equilibrium constant K were calculated as 22.33 for PFOS, and 14.48 for PFOA. Substances with longer carbon chain were removed better, suggesting the relation of adsorption removal with their hydrophobicities. In mixed solution of the eight compounds, the removed amount of three compounds: PFDA, PFDoA, and PFOS was decreased to 80 % of single-solute solution, whereas for the other five: PFHxA, PFHpA, PFOA, PFNA, and PFHxS, the amount decreased to less than half. The effect of dissolved organic matters was also investigated by using Lake Biwa water as the solvent of the mixed solution. The removal of PFOS and PFHxS was not greatly affected and the removed amount decreased by 60%. However, the other five compounds were scarcely removed, showing irregular temporal concentration changes.

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Details 詳細情報について

  • CRID
    1390001204112219904
  • NII Article ID
    130003949606
  • DOI
    10.11532/proes1992.45.301
  • ISSN
    1884829X
    13415115
  • Text Lang
    ja
  • Data Source
    • JaLC
    • CiNii Articles
    • KAKEN
  • Abstract License Flag
    Disallowed

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