Abstract
Contamination of all natural sources of drinking water by human activities has become a matter of extreme concern to all who understand this problem as a threat to civilization. Dioxins and dioxin-like substances have been classified as particularly dangerous pollutants in the last thirty years. The authors provide generalized information about the danger of environmental pollution with dioxins and dioxin-like toxicants. It is suggested that the total weakening of the immunity of the world's population due to the presence of dioxins in the environment, which are hormone-like superecotoxicants. The factor of mass exposure of the population to coronavirus infection (COVID 19) is not excluded, as a result of the impact of dioxins and dioxin-like substances on the human immune system. The authors consider the most promising method of drinking water purification to be the photocatalysis method implemented directly in a local source (domestic consumption, production of bottled water). The physicochemical process of photocatalytic water purification using TiO2 activated by artificial ultraviolet radiation as a catalyst is considered. It is reported about the work aimed at the practical implementation of measures for the purification of drinking water.
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