Hydrogeochemical processes of wastewater leakage purification from a thermal power plant
Sergey Kh Pavlov1, Konstantin V Chudnenko
1a Institute of the Earth Crust , Siberian Branch , Russian Academy of Sciences , Irkutsk , Russia.
Abstract:
The hydrogeochemical conditions of a large flatland-type ash dump (Eastern Siberia, Russia) were studied. High-alkalinity sulphate water with high calcium content was found to infiltrate into the aquifer from the ash dump. The water was transformed into neutral bicarbonate solutions. Simulation of physicochemical interactions of the clarified water with ash, sandstone, and soil demonstrated that the composition of the resulting simulated solutions is similar to composition of the transformed clarified water leaking into the aquifer, and moving at various distances from their place of infiltration towards the discharge area.
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