Kinetics of Oxygen Evolution on Dimensionally Stable Anodes during Chlorate Electrolysis |
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| Authors: | Evdokimov S V |
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| Institution: | (1) Russian Federation Scientific Center,  Karpov Research Institute of Physical Chemistry, , ul. Vorontsovo Pole 10, Moscow, 103064, Russia |
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| Abstract: | The kinetics of oxygen evolution on dimensionally stable anodes during chlorate electrolysis at markedly different concentrations of chloride and sodium chlorate is studied. The theoretical model developed for the process kinetics assumes that molecules of hypochlorous acid participate in the oxygen evolution. The process rate is characterized by first reaction order by active chlorine, provided molecules of hypochlorous acid can inhibit the process due to their reversible adsorption on the anode surface. Mathematical modeling methods are employed to demonstrate the model adequacy to experiment. |
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