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    題名: Simultaneous removal of cod and color from dye manufacturing process wastewater using Photo-Fenton oxidation process
    作者: Liao, Chih-hsiang;康世芳;Kang, Shyh-fang;Hung, Hung-pin
    貢獻者: 淡江大學水資源及環境工程學系
    關鍵詞: Dyestuffs;ferrous ions;hydrogen peroxide;ultraviolet;photo‐Fenton
    日期: 1999-07
    上傳時間: 2010-03-26 16:26:09 (UTC+8)
    出版者: Taylor & Francis
    摘要: The removal of COD and color present in dye manufacturing process wastewater were studied using the photo‐Fenton oxidation process. Emphasis of this study was placed on the effects of UV light intensity, ferrous and peroxide dosages, and the pH value on the process performance. Around 76% and 93% removals of COD and color can be achieved, respectively, under the experimental conditions of this study. Applying relatively higher UV power was found to accelerate the removals remarkably, and the enhanced effect becomes more and more significant as reaction carries on. The presence of ferrous ions enhanced the removal rate greatly during the initial reaction period, and after a certain time point the removal profiles became leveling off due to the lack of H2O2 residue in the reaction mixture. An excess of H2O2 does not necessarily result in relatively higher removals of COD and color. As for the pH effect, the values of pH = 3 and 4 were found optimum for the removals of COD and color, respectively. According to this study, the photo‐Fenton process can be considered as a promising technology for the treatment of dye manufacturing process wastewater.
    關聯: Journal of Environmental Science and Health, Part A: Toxic/Hazardous Substances and Environmental Engineering 34(4), pp.989-1012
    DOI: 10.1080/10934529909376877
    顯示於類別:[水資源及環境工程學系暨研究所] 期刊論文

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