Brazilian Rare Earths Ltd. has announced a significant breakthrough in their Monte Alto Project, successfully producing a mixed-rare-earth carbonate (MREC) and uranium peroxide. This development leverages Brazil's abundant low-cost hydroelectric power and skilled labor, aiming to produce key products such as NdPr oxide and a heavy rare earth-rich SEG+ concentrate. The project highlights high recoveries of magnetic rare earth elements like NdPr and DyTb, with extraction rates between 86-90% through hydrometallurgical leaching. This innovative direct 'run-of-mine' approach bypasses mineral beneficiation, offering both capital and operational cost advantages, and enhancing rare-earth yields. Further metallurgical studies are underway to produce separated NdPr rare earth products and recover valuable co-products including niobium, tantalum, and scandium.
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