Investigation of photocatalytic ozonation treatment of water over WO3 under visible light irradiation
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概要
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The aim of this study is to develop a highly efficient and environmentally friendly water treatment technique. Water treatment by photocatalytic ozonation over bare WO3 under visible light irradiation (O3/vis/WO3) system was performed under different experimental conditions using a phenol aqueous solution as model wastewater. The effects of parameters such as the initial phenol concentration, water temperature, and initial solution pH on the total organic carbon (TOC) removal efficiency in the O3/vis/WO3 system were investigated. The results suggest that the TOC removal process consists of three stages, and the combined effect of photocatalysis and ozonation, which is important for complete TOC removal, became dominant in the third stage. Furthermore, the TOC removal efficiency increased with increasing water temperature in the O3/vis/WO3 system.
- 公益社団法人 日本セラミックス協会の論文
著者
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KAMESHIMA Yoshikazu
Department of Metallurgy & Ceramic Science, Tokyo Institute of Technology
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Miyake Michihiro
Department Of Chemistry Gunma University
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NISHIMOTO Shunsuke
Department of Material and Energy Science, Graduate School of Environmental Science, Okayama Univers
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Kameshima Yoshikazu
Dep. Of Material And Energy Sci. Graduate School Of Environmental Sci. Okayama Univ.
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MANO Takayuki
Department of Material and Energy Science, Graduate School of Environmental Science, Okayama Univers
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NISHIMOTO Shunsuke
Department of Environmental Chemistry and Materials, Okayama University
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KAMESHIMA Yoshikazu
Department of Material and Energy Science, Graduate School of Environmental Science, Okayama University
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MANO Takayuki
Department of Material and Energy Science, Graduate School of Environmental Science, Okayama University
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