ENVIROMENTAL, HEALTH AND TOXICOLOGICAL ISUES OF WATER CLEANING, POLLUTED BY MICROPLASTIC
This paper gives an idea of the ecological study of water purification from a toxic substance such as microplastic. The relevance of the topic is due to the fact that, according to scientists, almost all plastic ever produced by mankind is still in the environment (over 8 billion tons). Under the influence of ultraviolet radiation, chemical processes and mechanical destruction by sea water, plastic debris decomposes into small parts called microplastics. The presence of microplastic in the distribution network of the water supply system was confirmed by studies in 15 countries of the world from 5 continents (data from Orb Media). As a result of the destruction of plastic waste, the decomposition products enter the ocean through sewage. It accumulates in the surface waters of the oceans, as well as at great depths, including deep-sea deposits. The obtained data indicate that the existing tap water purification system inefficiently filters micro-plastic, because these particles can reach nanoparticle sizes. The necessity of improving the methods of water treatment is pointed out, taking into account the need to solve the problem of microplastic recycling and preserving the health of the population. Prognostic methods for the hygienic assessment of the risk of diseases are prognostic donor diagnostics.