Study of Wastewater Treatment by OH Radicals Using DC and Pulsed Corona Discharge over Water
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概要
- 論文の詳細を見る
Water treatment by OH radicals is studied using dc and pulsed corona discharge over water at atmospheric pressure and reduced pressure. In particular, we pay attention to the influence of discharge configuration on the efficiency of wastewater treatment. Experiment is carried out in N2 to clarify the contribution of OH radicals. Needle-cylinder electrodes are designed expecting the efficient generation of OH radicals close to the water surface. $N$,$N$-dimethyl-$ p$-nitrosoaniline (RNO) solution is used as a persistent test pollutant. The results strongly suggest that OH radical production close to the water surface is a key factor for efficient wastewater treatment. The use of pulsed discharge at reduced pressure is effective in improving RNO reduction efficiency because of the rapid diffusion of OH radicals to the water surface.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2006-04-15
著者
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Tochikubo Fumiyoshi
Departmen Of Electrical Engineering Tokyo Metropolitan University
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Watanabe Tsuneo
Department of Electrical Engineering, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachioji, Tokyo 192-0397, Japan
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Watanabe Tsuneo
Departmen of Electrical Engineering, Tokyo Metropolitan University
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UCHIDA Satoshi
Department of Chemistry and Materials Engineering, Faculty of Chemistry, Materials and Bioengineering, Kansai University
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Uchida Satoshi
Department of Electrical Engineering, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachioji, Tokyo 192-0397, Japan
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Furuta Yasutomo
Department of Electrical Engineering, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachioji, Tokyo 192-0397, Japan
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