УДК 550.4:628.4.032(477.411) • Issue 6 (34) / 2021 • 113-122 pages


I. Kuraieva, T. Koshliakova, O. Azimov, K. Zlobina, D. Khrushchov

I. Kuraieva, Dr. Sci. (Geol.), Prof., Head of Department, M.P. Semenenko Institute of Geochemistry, Mineralogy and Ore Formation of the NAS of Ukraine, KI4412674@gmail.com, https://orcid.org/0000-0003-3113-7782

T. Koshliakova, PhD (Geol.), Senior Research Fellow, M.P. Semenenko Institute of Geochemistry, Mineralogy and Ore Formation of the NAS of Ukraine, tatianakoshliakova@gmail.com, https://orcid.org/0000-0001-8551-3531

O. Azimov, Dr. Sci. (Geol.), Leading Researcher, State Institution «Scientific Centre for Aerospace Research of the Earth of the Institute of Geological Sciences of the National Academy of Sciences of Ukraine», O.T.Azimov@nas.gov.ua, https://orcid.org/0000-0002-5210-3920

K. Zlobina, PhD (geol.), Research Fellow, M.P. Semenenko Institute of Geochemistry, Mineralogy and Ore Formation of the NAS of Ukraine, ecaterinka@ukr.net, https://orcid.org/0000-0001-8823-4642

D. Khrushchov, Dr. Sci. (Geol.), Prof., Senior Research Fellow, Institute of Geological Sciences of the National Academy of Sciences of Ukraine, khrushchov@nas.gov.ua, https://orcid.org/0000-0002-7978-2505


The presented research is devoted to the study of geochemical transformation of environmental key objects (soils, surface and groundwater) within the solid waste landfills. The object of the study is the one of the largest landfills for solid waste disposal in Ukraine – Kyiv landfill №5. The main factual material, which is the basis of the article, was obtained by the authors during a comprehensive field ecological and geochemical research in 2018-2020. The aim of the work was to determine the geochemical (in particular physical and chemical) features of soil sediments within the landfill, which made it possible to assess the protective properties of soils in relation to the impact of technogenic metals. The condition of surface waters (ponds within the landfill territory) and groundwater (wells in Pidhirtsi village) was also studied; the comparison of the main indicators of chemical composition with the maximum allowable concentrations determined by normative documents was performed. It was found that in the studied soils there is a high concentration of heavy metals associated with the fraction of easily exchangeable ions, as well as an increased content of water-soluble forms. The main migration forms of macro- and microelements in soil solutions have been established. It was found that free hydrated cations and metal-organic complexes are characteristic of heavy metals. For groundwater used for potable water consumption by the population of Pidhirtsi village, exceeding of maximum allowable concentrations were recorded for certain indicators, in particular for nitrates, as well as deviations from the established norms for Ba, SO4, Fe, Mn, Co, Ni, Mo, and Pb. The pond waters, located directly within the landfill territory, are characterized by significant deviations from the norm in terms of Fe, Mn, Ni, Ti, V, Cu and Zn. As a result of the study, it was found that within the landfill there are favorable conditions for the formation of mobile forms of toxic elements and their migration to surface and groundwater.

Key words: geochemical transformation, anthropogenic metals, soils, surface waters, groundwater.



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