Selective reduction of nitrate to nitrogen gas in a biofilm-electrode reactor

Z. Feleke, K. Araki, Y. Sakakibara*, T. Watanabe, M. Kuroda

*この研究の対応する著者

研究成果: Article査読

78 被引用数 (Scopus)

抄録

Microbial denitrification and the occurrence of neutralization in a denitrifying biofilm-electrode reactor (BER) using an amorphous carbon anode was experimentally demonstrated. The BER was operated over one year and measurements of influent and effluent ionic species were made at different electric currents to evaluate the predominant electrochemical and biological reactions. The ionic species measured were NO3-, NO2-, SO42-, Cl-, PO43-, NH4+, K+, Ca2+ and Mg2+. The results lead to the conclusion that a highly selective reduction of nitrate is operationally possible in the present BER, hence this process is a feasible alternative for the treatment of various nitrate-contaminated water.

本文言語English
ページ(範囲)2728-2734
ページ数7
ジャーナルWater Research
32
9
DOI
出版ステータスPublished - 1998 9月
外部発表はい

ASJC Scopus subject areas

  • 環境工学
  • 土木構造工学
  • 生態モデリング
  • 水の科学と技術
  • 廃棄物管理と処理
  • 汚染

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