Abstract

The article studies kinetic laws regulatingthiocyanateoxidation in direct photolysis and in combined iron-persulfate oxidation systems using quasi-solar (simulated) xenon lampradiation. The influence of the main factors (pH, reaction medium temperature, characteristics of the catalyst, exposure time) on photochemical thiocyanate oxidation efficiency was identified. A conversion degree and initial thiocyanate oxidation speed in the oxidation systems under study change in the {UV/PS/Fe3+} ˃ {UV/PS/Fe2+}˃{PS/Fe3+} ˃{ PS/Fe2+} ˃{ UV/PS/Fe0} ˃ { PS/Fe0} ˃˃{ UV/PS} system.

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