The many number of uranium deposits around the world vary significantly in their mineralogy, grade and textural characteristics. Therefore, information from traditional (or conventional) sources regarding the fundamentals of leaching the uranium and gangue minerals is not always applicable when studying particular ores. Empirical studies on particular ores can be effective in understanding leach systems and can lead to improvements in process design, but there remains a lack of fundamental understanding which is necessary for ongoing process optimisation as ore bodies continue to vary. ANSTO Minerals has undertaken a program of work to address some of the fundamental questions of uranium leaching, including the unexpected impact for some ore types of leaching at high oxidation potential.
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