Abstract:BACKGROUND
The red mud (bauxite residue) is a rare earth element (REE) bearing material that should be considered a valuable resource. This research investigated the selective leaching of scandium (Sc) and yttrium (Y) from red mud by agitation leaching, as well as thermal and hydrothermal processing. Material characterization was conducted to shed light on the leaching mechanism for high REE extraction selectivity.
RESULTS
The agitation leaching with HCl, HNO3, and H2SO4 was insufficient for high leaching effi… Show more
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