M. A. Gustaytis, I. N. Myagkaya, E. Lazareva, B. Y. Saryg-ool, J. O. Badmaeva, O. N. Surkov, D. K. Kastina
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BEHAVIOR OF HG IN THE AQUATIC ECOSYSTEM IN THE AREA OF THE IMPACT OF THE HIGH SULFIDE TAILINGS (RUSSIA, KEMEROVO REGION)
: The behavior of mercury and species (dissolved + colloids,suspended) over a long period (2006-2019) was studied for the Ur river system into which the acid main drainage (AMD) of the Ursk tailings.During this period, an increase in salinity and a change in the basic ion composition were established in the Ur river after the confluence of a AMD. The composition of the river is restored to its original values,characteristic of the reservoir above the influence of the AMD, 5 km downstream. Mercury in the waters of the river upstream of the AMD andat the confluence increases with time of the solution + colloidfraction. The prevalence of Hgorg in suspension of all the studiedpoints was established. The maximum amount of Hgorg is formed in an AMD,which is the main supplier of CH3Hg + to the Ur river.
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