Indirect electrochemical oxidation of aniline in acid electrolyte with active oxygen species


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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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G. Kornienko

Federal Research Center Krasnoyarsk Scientific Center, Siberian Branch; Siberian State Aerospace University named after M.F. Reshetnev

Email: kvl@icct.ru
俄罗斯联邦, Akademgorodok 50, Krasnoyarsk, 660036; pr. imeni gazety Krasnoyarskii Rabochii 31, Krasnoyarsk, 660037

T. Kenova

Federal Research Center Krasnoyarsk Scientific Center, Siberian Branch

Email: kvl@icct.ru
俄罗斯联邦, Akademgorodok 50, Krasnoyarsk, 660036

V. Kornienko

Federal Research Center Krasnoyarsk Scientific Center, Siberian Branch

编辑信件的主要联系方式.
Email: kvl@icct.ru
俄罗斯联邦, Akademgorodok 50, Krasnoyarsk, 660036

N. Maksimov

Federal Research Center Krasnoyarsk Scientific Center, Siberian Branch

Email: kvl@icct.ru
俄罗斯联邦, Akademgorodok 50, Krasnoyarsk, 660036

M. Balhareva

Siberian State Aerospace University named after M.F. Reshetnev

Email: kvl@icct.ru
俄罗斯联邦, pr. imeni gazety Krasnoyarskii Rabochii 31, Krasnoyarsk, 660037

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