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Decolorization of C.I. Reactive Red 2 by ozonation catalyzed by Fe(II) and UV

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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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Authors and Affiliations

  1. Department of Environmental Engineering, Da-Yeh University, 112, Shan-Jiau Road, Da-Tsuen, Chang-Hua, Taiwan, R.O.C.

    Chung-Hsin Wu

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  1. Chung-Hsin Wu
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Correspondence to Chung-Hsin Wu.

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Wu, CH. Decolorization of C.I. Reactive Red 2 by ozonation catalyzed by Fe(II) and UV. React Kinet Catal Lett 93, 35–42 (2008). https://doi.org/10.1007/s11144-008-5200-2

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  • DOI: https://doi.org/10.1007/s11144-008-5200-2

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