電気化学的方法によるトリクロロエチレンの分解 Electrochemical Degradation of Trichloroethylene

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著者

    • 張 貞姫 JANG Jong Hee
    • 東京農工大学工学部化学工学科 Department of Chemical Engineering, Tokyo University of Agriculture and Technology
    • 秋間 大 AKIMA Dai
    • 東京農工大学工学部化学工学科 Department of Chemical Engineering, Tokyo University of Agriculture and Technology
    • 中井 智司 NAKAI Satoshi
    • 東京農工大学工学部化学工学科 Department of Chemical Engineering, Tokyo University of Agriculture and Technology
    • 細見 正明 HOSOMI Masaaki
    • 東京農工大学工学部化学工学科 Department of Chemical Engineering, Tokyo University of Agriculture and Technology

抄録

Trichloroethylene (TCE), a widespread and persistent environmental contaminant, is a regulated material in groundwater and soil. In this study, the electrochemical degradation of TCE was carried out using Pt/Ti-Ni as an anode-cathode material at a 0.1 A direct current. More than 99% TCE was degraded in a 69-hr reaction. The TCE degradation intermediates were identified as trichloroacetaldehyde, trichloroacetic acid, dichloroacetic acid, monochloroacetic acid, chloroform, and dichloromethane. From the chlorine balance during TCE electrochemical degradation, 98% TCE was converted to chlorine ions, chlorate ions, trichloroacetaldehyde, chloroform, and dichloroacetic acid. The degradation of the TCE intermediates was carried out to determine the electrochemical degradation pathways of TCE. The TCE degradation pathways are proposed to proceed as follows: as the main pathway, (i) TCE → trichloroacetaldehyde → trichloroacetic acid → dichloroacetic acid → monochloroacetic acid → low-molecular-weight materials; and as the subpathway, (ii) TCE → trichloroacetaldehyde → chloroform → dichloromethane → low-molecular-weight materials.

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 29(4), 229-234, 2006-04-10 

    Japan Society on Water Environment

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各種コード

  • NII論文ID(NAID)
    10018109967
  • 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
    7923650
  • 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  NDL  J-STAGE 
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