Abstract
Trends in the development of electrochemical methods for solving environmental problems were considered. Modern tendencies in research on the electrochemical destruction of toxic organic substances resistant to oxidation were analyzed. The use of three-dimensional (3D) electrodes and combined methods (electro-Fenton process combined with ultrasound, UV irradiation, etc.) increases the efficiency of destruction. Special attention was paid to studies at increased pressures. Increased pressure initially created with an inert gas did not substantially affect the kinetics of the anodic process. Increased pressure initially created with an electrochemically active gas (oxygen) accelerated the anodic oxidation of organic compounds (phenol and azo dyes (direct black 2S and stable disperse yellow 4K). The organic substances under study inhibit the cathodic reduction of oxygen, and the positive role of increased pressure is proven.
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