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Removal of COD and decolorizing from landfill leachate by Fenton’s reagent advanced oxidation

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Abstract

Aqueous oxidation treatment of COD and color in landfill leachate with the combination of hydrogen peroxide and ferrous ion, Fenton reagent, has been studied. The effect of variables such as concentration of both reactants and pH has been investigated. Best concentrations seem to be 0.6 and 3.0 mol/L for H2O2 and Fe2+ ion, respectively. The other important variable, pH of landfill leachate should be near 7. From the experimental results can be known the determined process was the generation of hydroxyl radicals involving in advanced oxidation. Oxidation rates are even higher than those of other advanced oxidation systems involving ozone, UV radiation, and hydrogen peroxide.

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Acknowledgments

The authors wish to gratefully acknowledge the financial supports from Jiangxi Provincial Department of Education of China (Project No. GJJ11457). In addition, the authors would like to express their sincere appreciation to the anonymous reviewers for their helpful comments and suggestions.

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Authors and Affiliations

  1. School of Resource and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou, 341000, Jiangxi, People’s Republic of China

    Yunnen Chen, Chunhua Liu, Jinxia Nie, Suying Wu & Dongshuang Wang

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  1. Yunnen Chen
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  2. Chunhua Liu
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  3. Jinxia Nie
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  4. Suying Wu
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  5. Dongshuang Wang
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Correspondence to Yunnen Chen.

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Chen, Y., Liu, C., Nie, J. et al. Removal of COD and decolorizing from landfill leachate by Fenton’s reagent advanced oxidation. Clean Techn Environ Policy 16, 189–193 (2014). https://doi.org/10.1007/s10098-013-0627-1

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  • DOI: https://doi.org/10.1007/s10098-013-0627-1

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