Effect of additional purification of drinking water by ozonation and incomplete freezing
L. F. Koroleva, N. V. Cherednichenko, D. V. Kiseleva, M. G. Pervova
Keywords: purification methods, drinking water, treatment with ozone, freezing, analysis, mass spectrometry, gas-liquid chromatography, chlorinated organics, microelements
Pages: 29-34
Abstract
It is shown using mass spectrometry and gas-liquid chromatography that drinking water entering water pipelines contains a number of dangerous impurity microelements and chlorinated organics with concentrations close to MPC (except iron and manganese). It was established that the treatment of drinking water with ozone followed by filtering through a coal filter (household device "Ozonid-rodnik") and freezing at -18 оC under home conditions provide efficient additional purification. Purified water does not contain carcinogenic chlorinated organics, while the concentrations of dangerous microelements (As, Cd, Ni, Cr, Pb, Se, V, Sb, Hg) decreases by a factor of 1.5-4.5, Fe, Mn, Al by a factor of 2-15.
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