Summary
Immersed in solubility-consistent organic solvents, high polymers can swell and form gels. Choosing the organic solvent among metal extracting solvents, metal extracting gels can be prepared. The advantages of the liquid-gel extraction process, in comparison with the liquid-liquid one, are to allow the extraction of metal cations from diluted aqueous solutions by using high aqueous-organic volume ratios (metal concentration in a few stages) with easy phase separations.
Various CMPO* containing gels have been prepared, and the extraction of europium (and related actinides) has been studied. (* Octyl(phenyl)-N,N-diisobutylcarbamoylmethylphosphine oxide)
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© 1991 ECSC, EEC, EAEC, Brussels and Luxembourg
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Brunette, J.P., Dozol, J.F. (1991). Application of CMPO Containing Gels to Metal Extraction. In: Cecille, M.L., Casarci, M., Pietrelli, L. (eds) New Separation Chemistry Techniques for Radioactive Waste and Other Specific Applications. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-3654-9_17
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DOI: https://doi.org/10.1007/978-94-011-3654-9_17
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