淡江大學機構典藏:Item 987654321/50463
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    题名: Ozonation of Dyes and Textile Wastewater in a Rotating Packed Bed
    作者: Shang, Neng-chou;Chen, Yi-hung;Yang, Yi-ping;Chang, Cheng-hsin;Yu, Yue-hwa
    贡献者: 淡江大學土木工程學系
    关键词: Ozonation;Rotating Packed Bed;Reactive Red 120;Acid Red 299
    日期: 2006-10
    上传时间: 2010-08-09 17:58:49 (UTC+8)
    出版者: Philadelphia: Taylor & Francis Inc.
    摘要: This study investigates the ozonation of Reactive Red 120 and Acid Red 299 dyes in the synthesized solution and textile wastewater by using a rotating packed bed. The decomposition rate of Reactive Red 120 and Acid Red 299 dyes via ozonation can be described by the pseudo-first-order kinetics. Ozonation of Reactive Red 120 exhibited the higher mineralization rate compared with that of Acid Red 299. The biodegradability of the two dyes could be significantly promoted during the ozonation. The BOD5/TOC (5-day biological oxygen demand/total organic carbons) ratios of the ozonated Reactive Red 120 and Acid Red 299 solutions would increase and have the maximum values. Moreover, the oxidized textile wastewater revealed the fast decolorization and moderate COD (chemical oxidation demand) removal rates. The optimal ADMI (American Dye Manufactures Institute) and COD removal of the textile wastewater were 93% and 37% in 30 minutes ozonation time, respectively. The performance evaluation of ozonation in the rotating packed bed indicated that the higher water flow rate, gas ozone concentration and rotational rotating speed would increase the efficiency of mineralization.
    關聯: Journal of Environmental Science and Health, Part A 41(10), pp.2299-2310
    DOI: 10.1080/10934520600873043
    显示于类别:[土木工程學系暨研究所] 期刊論文

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