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Boshko I., Kondratenko I., Zabulonov Yu., Charnyi D., Onanko Yu., Marynin A., Krasnoholovets V./ Geochemistry of Technogenesis 4 (2020) 65-70 1. Preliminary One of the main types of wastewater pollutants is organic matter. In the case of a large number of highly toxic organic impurities, the method of anaerobic water treatment does not work and, in addition, anaerobic processes require considerable time and temperature regulation of treatment processes, which also requires significant energy costs. Organic dyes are undoubtedly persistent biological pollutants, which according to world statistics [1] account for 15% of all harmful substances that must be neutralized before entering the aquatic ecosystem. For such waters, their pre-treatment becomes relevant, which will reduce the load on biological treatment plants by oxidation of toxic substances and a general reduction of the organic component, i.e. reduction of dichromate chemical oxygen demand (COD). Water treatment with such contaminants can be carried out using technologies that employ advanced oxidation processes (AOP) [1, 2]. AOP is an innovative tool that allows the researchers to enter energy directly into the area where the decomposition of pollutants is reТЕХНІЧНІ НАУКИ ТЕХНИЧЕСКИЕ НАУКИ ТЕСHNICAL SCIENCES ГЕОХІМІЯ ТЕХНОГЕНЕЗУ ГЕОХИМИЯ ТЕХНОГЕНЕЗА GEOCHEMISTRY OF TECHNOGENESIS

THE STUDY OF TREATMENT OF WATER WITH A HIGH CONCENTRATION OF COD BY PULSE DIELECTRIC BARRIER DISCHARGE ON THE SURFACE OF THE LIQUID