In the framework of the ERC SOLCRIMET project KU Leuven researchers have found that replacement of water by ethylene glycol provides enhanced selectivity in the solvent extraction of transitions metals from rare earth elements.
This new RSC Advances paper demonstrates the effectiveness of a novel supported ionic liquid phase (SILP) for the uptake of REEs (Sc, Y, Nd, Dy) in the presence of base elements (Ca, Al, Fe) from bauxite residue (BR) leachates.
This new Hydrometallurgy paper by Kumar Batchu and Binnemans studies the effect of the diluent) on the solvent extraction of Nd using D2EHPA as extractant. Studied diluents varied from aliphatic, aliphatic-aromatic to aromatic.
Following their previous work on the rare-earth Balance Problem, Prof. Binnemans et al. have published a new (Golden Access) review paper in the Journal of Sustainable Metallurgy. The paper has been downloaded > 1,000 times.
Ionic liquids (ILs) are widely studied to recover metals from ores or end-of-life products, but not above 100 °C and atmospheric pressure. Here the IL [Hbet][Tf2N] was used dry to leach NdFeB magnets and scrap at high temperature.
In the framework of the EU Horizon 2020 ERC SOLCRIMET project KU Leuven researchers have synthesised trichloride ionic liquids (ILs) which can be used for oxidative dissolution of metals and alloys under mild conditions.
In the context of the EU Horizon 2020 MSCA-ETN REDMUD project, KU Leuven researchers have published a new method to extract rare earths (REEs) from bauxite residue (red mud) by dry digestion followed by water leaching.