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Decomposition of meta- and para-phenylphenol during ozonation process

Magdalena Olak-Kucharczyk, Jacek S. Miller, and Stanisław Ledakowicz

Faculty of Process and Environmental Engineering, Lodz University of Technology, ul. Wólczańska 213, 90-924, Łódź, Poland



Abstract: The decomposition of meta-phenylphenol (m-PP) and para-phenylphenol (p-PP) in a heterogeneous gas-liquid system using ozone was investigated. The influence of different reaction parameters such as ozone and PP isomers concentration as well as pH and temperature of the reaction mixture on the PP decay rate was determined. The second-order rate constants for the direct reaction of molecular ozone, determined in a homogeneous system, were (5.85 ± 0.35) × 102 M−1 s−1 and (8.90 ± 0.33) × 102 M−1 s−1 for m-PP and p-PP, respectively. The rate constants for the reaction of m-PP and p-PP with ozone increased with increasing pH. The reaction rate constants with ozone were found to be (1.75 ± 0.02) × 109 M−1 s−1 and (1.86 ± 0.02) × 109 M−1 s−1 for m-PP and p-PP anions, respectively.

Keywords: phenylphenols – xeno-oestrogens – ozonation oxidation – degradation kinetics

Full paper is available at

DOI: 10.2478/s11696-013-0325-9


Chemical Papers 67 (9) 1157–1163 (2013)

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