Oxidation of phenol and chlorophenols on platinized titanium anodes in an acidic medium
- Authors: Mokbel S.M.1, Kolosov E.N.1, Mikhalenko I.I.1
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Affiliations:
- Peoples’ Friendship University
- Issue: Vol 90, No 6 (2016)
- Pages: 1289-1292
- Section: Short Communications
- URL: https://journals.rcsi.science/0036-0244/article/view/168391
- DOI: https://doi.org/10.1134/S0036024416060212
- ID: 168391
Cite item
Abstract
A comparative study of oxidation of phenol, 3-chlorophenol, 4-chlorophenol, and 2,4-dichlorophenol on Pt/Ti and Ce,Pt/Ti electrocatalysts is performed via cyclic voltammetry. It is shown that the surface morphology and roughness of the anode do not change after modification with cerium. The formal kinetic orders of electrooxidation of all compounds are found to be less than one. It is shown that the β temperature coefficients of the rate of oxidation of chlorophenols grow by 10 to 50% when the Ce,Pt/Ti anode is used at a substrate concentration of 1 mM. A tenfold increase in concentration reduces the effect of cerium additive, except for 3-chlorophenol: the latter exhibits a 250% increase in the β value, compared to the Pt/Ti anode.
About the authors
Saleh Mohammed Mokbel
Peoples’ Friendship University
Author for correspondence.
Email: imikhalenko@mail.ru
Russian Federation, Moscow, 117198
E. N. Kolosov
Peoples’ Friendship University
Email: imikhalenko@mail.ru
Russian Federation, Moscow, 117198
I. I. Mikhalenko
Peoples’ Friendship University
Email: imikhalenko@mail.ru
Russian Federation, Moscow, 117198