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The mechanism of Fe (III)-catalyzed ozonation of phenol

  • Environmental & Energy Science
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Abstract

Fe (III)-catalyzed ozonation yielded better degradation rate and extent of COD (Chemical Oxygen Demand) or oxalic acid as compared with oxidation by ozone alone. Two parameters with strong effects on the efficiency of ozonation are pH of the solution and the catalyst (Fe3+) dosage. The existence of a critical pH value determining the catalysis of Fe (III) in acid conditions was observed in phenol and oxalic acid systems. The best efficiency of catalysis was obtained at a moderate concentration of the catalyst. A reasonable mechanism of Fe (III)-catalyzed ozonation of phenol was obtained based on the results and literature.

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Authors and Affiliations

  1. Department of Environmental Engineering, Zhejiang University, 310027, Hangzhou, China

    Zhu Xiang-feng & Xu Xin-hua

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  1. Zhu Xiang-feng
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  2. Xu Xin-hua
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Correspondence to Zhu Xiang-feng.

Additional information

Project (No. [2003]-AM10: 15) supported by Sino-Finnish Scientific and Technological Cooperation Project

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Zhu, Xf., Xu, Xh. The mechanism of Fe (III)-catalyzed ozonation of phenol. J. Zheijang Univ.-Sci. 5, 1543–1547 (2004). https://doi.org/10.1631/jzus.2004.1543

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  • DOI: https://doi.org/10.1631/jzus.2004.1543

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