Abstract
The paper presents certain aspects of applying equilibrium-kinetic modeling to preliminarily assess the formation of the chemical composition of sewage subdump waters during upcoming mining at the Udokan deposit. The mineral dissolution rates, including oxidative dissolution of sulfides, and sorption of strontium, cobalt, zinc, and nickel on calcite are taken into account. It is shown that the chemical composition of water during interaction with dump rocks changes very slowly. However, such heavy metals as nickel, zinc, cobalt, and molybdenum should accumulate in the aqueous solution of the settling pond within 50 years.
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