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Decolorization of Amaranth by advanced oxidation processes

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Summary

This investigation examines the decolorization of Amaranth in water by advanced oxidation processes (AOPs) - UV/TiO2, O3, UV/O3 and UV/TiO2/O3.  The rates of decolorization of Amaranth in UV/TiO2 followed the order pH 4 > pH 7 > pH 10; however, those for Amaranth in O3-based systems followed the order pH 10 > pH 7 > pH 4.

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Authors and Affiliations

  1. Department of Environmental Engineering and Health, Yuanpei University of Science and Technology, 306 Yuanpei Street, Hsinchu, Taiwan, R.O

    Chung-Hsin Wu

  2. Department of Environmental Engineering and Health, Yuanpei Institute of Science and Technology, 306 Yuanpei St., Hsinchu, Taiwan (R.O.C.)

    Chung-Liang Chang

  3. Graduate Institute of Environmental and Safety Engineering, National Yunlin University of Science and Technology, Taiwan, R.O.C.

    Chao-Yin Kuo

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  1. Chung-Hsin Wu
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  2. Chung-Liang Chang
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  3. Chao-Yin Kuo
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Wu, CH., Chang, CL. & Kuo, CY. Decolorization of Amaranth by advanced oxidation processes. React Kinet Catal Lett 86, 37–43 (2005). https://doi.org/10.1007/s11144-005-0292-4

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  • DOI: https://doi.org/10.1007/s11144-005-0292-4

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