Abstract
The forms of existence, pathways of migration, and mechanisms of transformation of polychlorinated organic compounds (POCs) and polyaromatic hydrocarbons (PAHs) in the aqueous medium are analyzed. For 2,4,5-trichlorophenol, as an example, a free-radical mechanism of the formation of polychlorinated dibenzofurans and dibenzodioxins during the direct photolysis of POCs has been established. For benzo[a]pyrene, as an example, the role of OH radicals in the oxidation of PAHs sorbed on organomineral sorbents by singlet oxygen has been revealed. The role of monosulfide complexes of Fe(II) and 1: 1 monothiolate complexes of Cu(I) in the formation of a quasi-reducing state of the natural aquatic environment, toxic for aerobic organisms with intensive water exchange, has been elucidated, a state in which copper ions become biologically inaccessible.
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Original Russian Text © Yu.I. Skurlatov, E.V. Vichutinskaya, N.I. Zaitseva, E.V. Shtamm, V.O. Shvydkii, L.V. Semenyak, I.S. Baikova, 2017, published in Khimicheskaya Fizika, 2017, Vol. 36, No. 7, pp. 42–53.
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Skurlatov, Y.I., Vichutinskaya, E.V., Zaitseva, N.I. et al. Forms and pathways of migration and transformation of hazardous chemicals in the environment. Russ. J. Phys. Chem. B 11, 576–586 (2017). https://doi.org/10.1134/S199079311704011X
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DOI: https://doi.org/10.1134/S199079311704011X