Abstract
Kinetics and selectivity of the aniline oxidation on a boron-doped diamond electrode and lead dioxide anode (Pb/PbO2) in an acid electrolyte were studied under various generation conditions of active oxygen species. The resulting kinetic dependences can be described by a pseudo-first-order equation. The apparent rate constants of the process were determined for two electrolysis modes: direct anodic oxidation and oxidation with addition of hydrogen peroxide. UV spectroscopy was used to determine that the aniline destruction process occurs via formation of a number of intermediate products (benzoquinone, carboxylic acids). It was shown that the aniline destruction process can occur with a rather high efficiency (~80–90%) on the electrode types under study.
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Original Russian Text © G.V. Kornienko, T.A. Kenova, V.L. Kornienko, N.G. Maksimov, M.Yu. Balhareva, 2016, published in Zhurnal Prikladnoi Khimii, 2016, Vol. 89, No. 10, pp. 1290−1297.
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Kornienko, G.V., Kenova, T.A., Kornienko, V.L. et al. Indirect electrochemical oxidation of aniline in acid electrolyte with active oxygen species. Russ J Appl Chem 89, 1612–1618 (2016). https://doi.org/10.1134/S1070427216100086
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DOI: https://doi.org/10.1134/S1070427216100086