Rationally designed rare earth separation by selective oxalate solubilization

Date
2020-09-03
Authors
Prodius, Denis
Klocke, Matthew
Smetana, Volodymyr
Windus, Theresa
Alammar, Tarek
Perez Garcia, Marilu
Windus, Theresa
Nlebedim, Ikenna
Mudring, Anja-Verena
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Ames Laboratory
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Chemistry
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Ames LaboratoryChemistry
Abstract

A simple, environmentally benign, and efficient chemical separation of rare earth oxalates (CSEREOX) within two rare earth element (REE) subgroups has been developed. The protocol allows for selective solubilization of water-insoluble oxalates of rare earth elements, and results in efficient REE extraction even at low initial concentrations (<5%) from processed magnet wastes.

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