Application of phosphorus- and nitrogen-containing organic compounds for the isolation of actinides and technetium from acid or basic aqueous solutions

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Abstract

The derivatives of ethers of phosphoric acid, namely O-(2-alkyl) (diethylcarbamoylmethyl) phenylphosphinates (O2ADECMPP), were synthesized and tested for liquid-liquid extraction of transuranium elements, lanthanides and technetium in meta-nitrobenzotrifluoride or 1,2-dichlorethane from acidic solutions. The O-(ethylhexyl) (diethylcarbamoylmethyl) phenylphosphinate (O2EHDECMPP) was used to prepare chelating granulated sorbents. The family of chelating fibrous 'filled' sorbents POLYORGS-type shows, according to preliminary experiments, that Pu and Tc at concentrations around 10-5M can be recovered almost completely. POLYORGS show fast kinetics for sorption processes. © 2004 Académic ds sciences. Published by Elsevier SAS. All rights reserved.

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Myasoedova, G. V., Tananaev, I. G., & Myasoedov, B. F. (2004). Application of phosphorus- and nitrogen-containing organic compounds for the isolation of actinides and technetium from acid or basic aqueous solutions. Comptes Rendus Chimie, 7(12), 1201–1204. https://doi.org/10.1016/j.crci.2004.05.003

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