Observational analysis shows decreased hydrocarbon concentrations in Black Sea sediments, indicating bacterial cleansing post-tanker accident.
The paper presents the results of studies into the consequences of the ecological disaster in the Black Sea associated with the accident of the tankers Volgoneft-212 and Volgoneft-239 on December 15, 2024. The composition of chloroformed bitumen and hydrocarbons (aliphatic and polycyclic aromatic) on the beaches, in the suspension of bottom waters and bottom sediments is compared with the composition of fuel oil. It was found that the water area near Anapa is the most polluted. It is shown that the decrease in hydrocarbon concentrations 2.5 months after the accident is due to both their transformation on the shore and in the water, and the cleansing effect of bacteria. As a result, the amount of chloroformed bitumen decreased, and in its composition, low molecular weight alkanes and polyarenes.
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I.A. Nemirovskaya (2025) studied this question.
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