Electrochemical Oxidation-degradation of Phenol on Ti/PbO2 and Ti/Ru-Ti-Sn Oxide Coating Electrodes

Abstract

Abstract: The electrochemical oxidation-degradation of phenol in aqueous solution were studied on Ti/PbO₂ and Ti/Ru-Ti-Sn oxide coating electrodes. The effects of different electrodes on the electrochemical oxidation reactions and reaction intermediates of phenol were investigated by using UV-Vis spectroscopy. The electrogeneration of hydroquinone and pyrocatechol were detected by the method of high performance liquid chromatography(HPLC). The results show that the oxidation-degradation of phenol in aqueous solution are attributed to a further oxidation of hydroxylated products(hydroquinone and pyrocatechol).

Key words: Anodes, Electrochemistry, Electrochemical oxidation, Phenol, Hydroxyl radicals

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LIN Hai-Bo, LIU Xiao-Bo, SUN Zhi-Quan, ZHANG Heng-Bin. Electrochemical Oxidation-degradation of Phenol on Ti/PbO₂ and Ti/Ru-Ti-Sn Oxide Coating Electrodes[J]. Chem. J. Chinese Universities, 2005, 26(9): 1704.

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Electrochemical Oxidation-degradation of Phenol on Ti/PbO₂ and Ti/Ru-Ti-Sn Oxide Coating Electrodes

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