Journal
ADVANCED FUNCTIONAL MATERIALS
Volume 24, Issue 18, Pages 2668-2676Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.201303602
Keywords
nanoporous sorbents; hybrid materials; rare-earth elements; lanthanide separation; liquid-solid extraction
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Funding
- Natural Sciences and Research Council of Canada
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The importance of rare-earth elements (REEs) in the global economy is booming as they are used in numerous advanced technologies. Industrially, the extraction and purification of REEs involve multiple liquid-liquid extraction (LLE) steps as they exhibit very similar complexation properties with most common ligands. In order to substantially improve this process and provide a greener alternative to LLE, functional porous hybrid materials, demonstrating enhanced selectivity towards heavier REEs compared to commercially-available products, are proposed. In addition, because of the grafting procedure used in the synthesis, the proposed materials demonstrate a higher degree of reusability, increasing their marketable potential.
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