Hydrometallurgical assessment of oxides of Nb, Ta, Th and U …
Successive beneficiation of pegmatite ore results in a highest dissolution of 60.83 wt% of Ta 2 O 5 with 4.58 wt% of Nb 2 O 5 including the removal of U, Th, Ti, Fe and Si, ... In comparison to tantalite ore (parent ore, sample 1), this study revealed that Th and U oxides decreased to 3.03% and 0.81% (0.01 wt%), ...
