AOP処理によるゴミ埋立て地浸出水の凝集性の改善 Improvement of the Performance of Coagulation Treatment for a Leachate by an Advanced Oxidation Process

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著者

    • 中川 創太 NAKAGAWA Sota
    • (株)荏原総合研究所先端技術研究所水機能研究室 Water Science Lab., Center for Advanced Technology, Ebara Research Co., Ltd.
    • 三島 浩二 MISHIMA Koji
    • (株)荏原製作所エンジニアリング事業本部企画調査室 Planning & Marketing Office, Environmental Engineering Group, Ebara Corp.

抄録

Coagulation process is usually used as a method of treating refractory substances in wastewater. But, it can't often satisfy target water quality within practical coagulant dosage. In case of treating the effluent from coagulation process, the AOP (Advanced Oxidation Process), an oxidation/decomposition process which combines ultraviolet, ozone, and hydrogen peroxide, is looked upon as a method of treating the effluent from coagulation process. However, the abundant amount of oxidant and ultraviolet irradiation needed for oxidation are hampering the practicalization of this process. The authors conducted a research on the application of the AOP (ozone/hydrogen peroxide treatment) for pretreatment of secondary coagulation process using the effluent from coagulation process of a landfill site leachate treatment plant as raw water. The D-TOC removal by coagulation treatment using AOP treated water of raw water was higher than that using raw water, despite the D-TOC of the former was lower than that of the latter. Considering that the D-TOC removal was occurred during the AOP, it was assumed that the organic compound underwent changes to more susceptible to reaction with coagulant during oxidative decomposition. From this result, it was considered that using the AOP for pretreatment of coagulation process could achieve a significant decrease in coagulant dosage, a space-saving in the sludge treatment facility, and a saving in sludge disposal costs.

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 22(4), 308-312, 1999-04 

    公益社団法人 日本水環境学会

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各種コード

  • NII論文ID(NAID)
    10004452130
  • 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
    4693086
  • 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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