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水上直流コロナ放電を用いた促進酸化処理

水上直流コロナ放電を用いた促進酸化処理

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カテゴリ: 論文誌(論文単位)

グループ名: 【A】基礎・材料・共通部門

発行日: 2018/02/01

タイトル(英語): Advanced Oxidation Process using DC Corona Discharge Over Water

著者名: 見市 知昭(大阪工業大学大学院工学研究科),神澤 龍也(大阪工業大学大学院工学研究科)

著者名(英語): Tomoaki Miichi (Graduate School of Engineering, Osaka Institute of Technology), Ryuya Kanzawa (Graduate School of Engineering, Osaka Institute of Technology)

キーワード: 水上直流コロナ放電,水処理,活性酸素種  DC corona discharge over water,water treatment,reactive oxygen species

要約(英語): The characteristics of acetic acid decomposition were investigated by a negative DC corona discharge over water. The corona discharge is 4 mm away from the water surface. Hence, this method does not directly treat water using discharge plasma. During corona processing, oxygen or ozone was supplied to the reactor. The concentration of gaseous ozone over water in the reactor was measured by infrared spectroscopy. The optimal discharge treatment conditions were investigated by varying the gas flow rate. It was found that the decomposition rate of acetic acid increased when the gas flow rate was high at the same gaseous ozone concentration. Furthermore, as the gas flow rate increased, the concentration of the water vapor measured by infrared spectroscopy decreased. Our results indicate that the concentration of water vapor and ozone are important for water treatment using a DC corona discharge.

本誌: 電気学会論文誌A(基礎・材料・共通部門誌) Vol.138 No.2 (2018) 特集:放電研究の最新動向

本誌掲載ページ: 57-63 p

原稿種別: 論文/日本語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejfms/138/2/138_57/_article/-char/ja/

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