. "Mathematical modelling application for optimisation of utilisation of mine waters with high uranium concentrations from flooded mines" . "6"^^ . . . "[1DF23F1D644C]" . "324938" . "27350" . . . . "Grmela, Arno\u0161t" . "Water Institute of Southern Africa" . . . . "The paper summarizes the results of the research which has dealt with problems of the utilisation of mine waters of abandoned and flooded uranium mines as a secondary source of uranium. After flooding the deposit, the intensive dissolution of uranium minerals takes place and uranium concentration in the waters increases markedly. Simultaneously, the vertical stratification of mine waters occurs; in deeper horizons of the former mine, uranium concentrations are conspicuously higher that in the subsurface parts of the mine. The project has dealt with possibilities of intensive utilisation of mine waters with high uranium concentrations as secondary source of the raw material with the accompanying effect of shortening the time necessary for the treatment of mine waters drained. By means of the field studies, theoretical calculations and mathematical modelling (geochemical models and groundwater flow and uranium reactive transport models in the environment with dual porosity- FEFLOW) the solution has been"@en . "5"^^ . . "Rapantov\u00E1, Na\u010Fa" . . . . "Zeman, Josef" . "Mathematical modelling application for optimisation of utilisation of mine waters with high uranium concentrations from flooded mines" . "3"^^ . "RIV/61989100:27350/09:00022292" . "RIV/61989100:27350/09:00022292!RIV10-GA0-27350___" . "International Mine Water Conference" . "P(GA105/09/0808)" . "Pretoria, South Africa" . . "2009-10-19+02:00"^^ . "Mich\u00E1lek, Bed\u0159ich" . . . "Vojtek, David" . "mine water; FEFLOW modelling; uranium"@en . . "The paper summarizes the results of the research which has dealt with problems of the utilisation of mine waters of abandoned and flooded uranium mines as a secondary source of uranium. After flooding the deposit, the intensive dissolution of uranium minerals takes place and uranium concentration in the waters increases markedly. Simultaneously, the vertical stratification of mine waters occurs; in deeper horizons of the former mine, uranium concentrations are conspicuously higher that in the subsurface parts of the mine. The project has dealt with possibilities of intensive utilisation of mine waters with high uranium concentrations as secondary source of the raw material with the accompanying effect of shortening the time necessary for the treatment of mine waters drained. By means of the field studies, theoretical calculations and mathematical modelling (geochemical models and groundwater flow and uranium reactive transport models in the environment with dual porosity- FEFLOW) the solution has been" . . "Pretoria" . "Mathematical modelling application for optimisation of utilisation of mine waters with high uranium concentrations from flooded mines"@en . "Mathematical modelling application for optimisation of utilisation of mine waters with high uranium concentrations from flooded mines"@en . "978-0-9802623-5-3" .