Oxidation of phenol and chlorophenols on platinized titanium anodes in an acidic medium


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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.

作者简介

Saleh Mokbel

Peoples’ Friendship University

编辑信件的主要联系方式.
Email: imikhalenko@mail.ru
俄罗斯联邦, Moscow, 117198

E. Kolosov

Peoples’ Friendship University

Email: imikhalenko@mail.ru
俄罗斯联邦, Moscow, 117198

I. Mikhalenko

Peoples’ Friendship University

Email: imikhalenko@mail.ru
俄罗斯联邦, Moscow, 117198

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