Abstract
In this paper, recovery of uranium from carbonate ore leach solution has been reported using a novel precipitation method. The method is based on the precipitation of uranium as yellow color magnesium diuranate (MDU) using MgO/NaOH mixture. The process has been finalized by optimizing various process parameters such as concentration of CO32-, HCO3-, HCl, NaOH, MgO and reaction temperature. The overall recovery of uranium was 97%. The chemical composition of the yellow precipitate (MDU) was evaluated employing XRD technique. A process flow-sheet has been developed for recovery of U(VI) from low concentration carbonate ore leach solution.
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