PLASMA ARC WATER TREATMENT
DOI:
https://doi.org/10.20535/2218-93001412014137812Keywords:
water treatment, plasma-chemical method, hydroseparation, active compoundsAbstract
In the article we consider the plasma-chemical method for cleaning water of radionuclides and organic compounds after hydroseparation. We analyze the main fields of use of electric-discharge technology for cleaning and decontamination of water. We define the main factors of plasma originating from electric discharge in bubble medium, and analyze their impact on the process of cleaning and decontamination of water. Therein we provide the description of plasma arc water treatment facility. We consider hydroseparation method for restoration of soils contaminated with radionuclides.
We set forward the idea of combined methods, the main of which is plasma synthesis of finely-divided selective sorbent with simultaneous sorption and codeposition of radionuclides.
Whereby the chemical composition and morphology of nanoparticles (sorbents) are modified by electrode material. We present information on basic oxidizers synthesized in plasma, and analyze conditions of oxidation reactions taking place in the course of water treatment.
In this work, for the purpose of decontamination of liquid radioactive waste of caesium radionuclides, we used finely-divided ferrocyanide compositional sorbents produced via precipitation of ferrocyanide of the corresponding metal in the presence of finely-divided calcium carbonate and strontium synthesized in the zone of plasma treatment. We conducted tests on plasma codeposition of the radionuclides Cs-137 and Sr-90, as well as on purifying waters of organic compounds after hydroseparation of soils. The results proved high work efficiency of plasma-chemical treatment facility.
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Copyright (c) 2020 С. В. Петров, Хомма Масато, Д. И. Рубец, О. Н. Терещенко, С. Г. Бондаренко
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