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

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

研究成果: Article

74 引用 (Scopus)

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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.

元の言語English
ページ(範囲)2728-2734
ページ数7
ジャーナルWater Research
32
発行部数9
DOI
出版物ステータスPublished - 1998 9

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ASJC Scopus subject areas

  • Ecological Modelling
  • Water Science and Technology
  • Waste Management and Disposal
  • Pollution

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