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Preparation of Al2O3-supported nano-Cu2O catalysts for the oxidative treatment of industrial wastewater

  • Physical Chemistry of Nanoclusters and Nanomaterials
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Abstract

Cuprous oxide (Cu2O) nanoparticles supported on Al2O3 prepared using two different methods (hereafter referred to as catalyst I and II, respectively) were characterized by XRD and TEM. The catalytic activities of catalyst I and II during the treatment of industrial wastewater were then investigated. Specifically, the progress of the catalytic oxidation of industrial wastewater was observed by monitoring the time-dependent change in the chemical oxygen demand (COD) of industrial wastewater when the catalysts were applied. The results indicated that the catalytic activity of catalyst II was greater than that of catalyst I. Furthermore, under optimal conditions the COD removal efficiency was 94.59%. Finally, the mechanism by which the oxidative degradation of the industrial wastewater occurred could be explained based on a hydroxyl radical mechanism.

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Authors and Affiliations

  1. School of Chemistry and Chemical Engineering, Anhui University, Hefei, 230039, P. R. China

    W. Chang, Y. Shen & A. Xie

  2. Department of Chemistry and Life Science, West Anhui University, Lu’an, 237012, P. R. China

    W. Chang & W. Tong

  3. State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing, 210093, P. R. China

    Y. Shen & A. Xie

Authors
  1. W. Chang
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  2. Y. Shen
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  3. A. Xie
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  4. W. Tong
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Correspondence to Y. Shen.

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Chang, W., Shen, Y., Xie, A. et al. Preparation of Al2O3-supported nano-Cu2O catalysts for the oxidative treatment of industrial wastewater. Russ. J. Phys. Chem. 83, 2308–2312 (2009). https://doi.org/10.1134/S0036024409130214

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  • DOI: https://doi.org/10.1134/S0036024409130214

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