Decolorization of C.I. Reactive Red 2 by ozonation catalyzed by Fe(II) and UV |
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| Authors: | Chung-Hsin Wu |
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| Institution: | (1) Department of Environmental Engineering, Da-Yeh University, 112, Shan-Jiau Road, Da-Tsuen, Chang-Hua, Taiwan, R.O.C. |
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| Abstract: | This work evaluated the effects of pH on decolorization of C.I. Reactive Red 2 by O3, O3/Fe(II), UV/O3 and UV/O3/Fe(II) systems. At pH 4, the decolorization rate constants of O3, O3/Fe(II), UV/O3 and UV/O3/Fe(II) systems were 1.78, 3.11, 2.04 and 3.18 hr−1, respectively. The decolorization rates and effective energy consumption constants of all systems were higher under basic
conditions than under acidic conditions. |
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| Keywords: | O3 Fe(II) UV decolorization |
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