Anne Weber, Andrea Kassahun
Mine waters from former uranium mining sites in Germany contain high concentrations of metal(loids). They are treated by lime precipitation and adsorption technologies. In this work well-defined lab scale experiments were modelled to elucidate reaction networks and their susceptibility to varying water composition. Both treatment technologies involve mineral precipitation-dissolution, gas exchange, surface complexation at ferrihydrite. It was shown that the formation of alkaline earth uranyl carbonato complexes and the precipitation of liebigite-group minerals determine uranium retention in WISMUT’s mine water treatment operations. Sensitivity towards sludge composition and stability of arsenic sorption even at reducing conditions were derived from scenario simulations.
@article{f642e286-61c6-4818-be6d-65805492c08e,
title={How geochemical modelling helps understanding processes in mine water treatment plants – examples from former uranium mining sites in Germany},
author={Anne Weber and Andrea Kassahun},
year={2014},
language={en}
}TY - JOUR TI - How geochemical modelling helps understanding processes in mine water treatment plants – examples from former uranium mining sites in Germany AU - Anne Weber AU - Andrea Kassahun PY - 2014 LA - en ER -
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