Chia Nan University of Pharmacy & Science Institutional Repository:Item 310902800/27009
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    题名: Oxidation of 2,6-Dimethylaniline by the Fenton, Electro-Fenton and Photoelectro-Fenton Processes
    作者: Ting, Wang-Ping
    Huang, Yao-Hui
    Lu, Ming-Chun
    贡献者: 環境資源管理系
    关键词: 2, 6-dimethylaniline
    photoelectro-Fenton process
    electro-Fenton process
    mineralization
    biodegradation
    日期: 2011-08
    上传时间: 2013-10-16 16:57:26 (UTC+8)
    出版者: Taylor & Francis
    摘要: Fenton technologies for wastewater treatment have demonstrated their effectiveness in eliminating toxic compounds. This study examines how hydrogen peroxide concentration and ultraviolet (UV) light affects oxidation processes. However, total mineralization through these Fenton technologies is expensive compared with biological technologies. Therefore, partial chemical oxidation of toxic wastewaters with Fenton processes followed by biological units may increase the application range of Fenton technologies. Using 2,6-dimethylaniline (2,6-DMA) as the target compound, this study also investigates oxidation intermediates and their biodegradable efficiencies after treatment by Fenton, electro-Fenton and photoelectron-Fenton processes. Analytical results show that the UV light-promoting efficiency, rPE-F/rE-F, was 2.02, 2.55 and 2.67 with initial hydrogen peroxide concentrations of 15, 20 and 25 mM, respectively. We conclude that UV irradiation promoted 2,6-DMA degradation significantly. The same tendency was observed for biochemical oxygen demand/total organic carbon (BOD5/TOC) ratios for each process, meaning that 2,6-DMA can be successfully detoxified using the electro-Fenton and photoelectro-Fenton processes. Some organic intermediates aminobenzene, nitrobenzene, 2,6-dimethylphenol, phenol and oxalic acid—were detected in different oxidation processes.
    關聯: Journal of Environmental Science and Health Part A, 46(10), pp.1085-1091
    显示于类别:[Dept. of Environmental Resources Management] Periodical Articles

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