Abstract

A retrospective analysis of the modernization technology of production of primary aluminium in the Irkutsk aluminium smelter in the 55-year period of activity (1962–2017) and its implications for carcinogenic risk of polycyclic aromatic hydrocarbons and their indicator benzo(a)pyrene in the environments of the city of Shelekhov. Brief ecological and technological characteristics of the production, including the introduction of more advanced technology of baked anodes and "EcoSoderberg". The dynamics of the content of Benz(a)pyrene and its analogues in the air of the working area, the atmospheric air of the urban environment and the associated underlying surface of snow, soil and vegetation are estimated. The tendency of reduction of air pollution in comparison with depositing objects is revealed.

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