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KMID : 1024520130220091089
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Journal of the Environmental Sciences
2013 Volume.22 No. 9 p.1089 ~ p.1095
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Degradation of 3-Chlorophenol by a Ultraviolet-Fenton Process: Parameters and Degradation Pathways
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Kim Il-Kyu
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Abstract
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The degradation of 3-chlorophenol(3-CP) by various AOPs(Advanced Oxidation Processes) including the ultraviolet / hydrogen peroxide, the Fenton and the ultraviolet(UV)-Fenton process has been conducted. The highest removal efficiency for 3-CP in the aqueous phase was obtained by the UV-Fenton process among the AOPs. In the UV-Fenton process, The removal efficiency of 3-CP decreased with increasing pH in the range of 3 to 6, and it decreased with increasing initial concentration. As the intermediates of 3-CP by UV-Fenton reaction, 3-chlorocatechol, 4-chlorocatechol, and chlorohydroquinone were detected thus the degradation pathways were proposed.
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KEYWORD
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3-Chlorophenol, UV-Fenton reaction, Ultraviolet, Intermediates
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