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Erschienen in:
2015 | OriginalPaper | Buchkapitel
Reactive transport simulation applied on uranium ISR: effect of the density-driven flow
verfasst von : E. Bonnaud, V. Lagneau, O. Regnault, N. Fiet
Erschienen in: Uranium - Past and Future Challenges
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The in situ recovery operation of a perched uranium mineralization within a thick, permeable aquifer can become a sensitive issue. Indeed, density difference between the injected high-density acidic solutions and fresh groundwater are liable to trigger density-driven migration of solution towards the bottom of the aquifer. The goals of this study are (1) to represent with a reactive transport model, the hydrogeological behaviour of such an ISL operation for quantifying the lost part of uranium and acid linked to the density driven flow, (2) to suggest some possible solutions to optimize the production.