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Simon, N.; Eymard, S.; Tournois, B.; Dozol, J.F.
Scientific research on the back-end of the fuel cycle for the 21. century2000
Scientific research on the back-end of the fuel cycle for the 21. century2000
AbstractAbstract
[en] In the framework of French law programme, studies are under way to selectively remove caesium from acidic high activity wastes. Calix[4]arene crown derivatives exhibit outstanding efficiency and selectivity for caesium. An optimisation of the formulation of a selective extractant system for Cs based on crown calixarenes and usable in a process which use liquid-liquid extraction is presented. A system involving a monoamide as a modifier is proposed. Besides these improvements, a reference solvent based on a standard 1,3-di-(n-octyl-oxy)2,4-calix(4)arene crown is studied. Flow-sheets related to this system are calculated and easily transferable to the optimised new system. (authors)
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CEA/VALRHO - site de Marcoule, Dept. de Recherche en Retraitement et en Vitrification (DRRV), 30 - Marcoule (France); [575 p.]; 2000; p. 1-8; International conference Scientific research on the back-end of the fuel cycle for the 21. century. Atalante 2000; Avignon (France); 24-26 Oct 2000; 15 refs.
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Miscellaneous
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Conference
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AROMATICS, BETA DECAY RADIOISOTOPES, BETA-MINUS DECAY RADIOISOTOPES, CESIUM ISOTOPES, CONDENSED AROMATICS, DIAGRAMS, EXTRACTION, INFORMATION, INTERMEDIATE MASS NUCLEI, ISOMERIC TRANSITION ISOTOPES, ISOTOPES, MINUTES LIVING RADIOISOTOPES, NUCLEI, ODD-EVEN NUCLEI, ORGANIC COMPOUNDS, ORGANIC NITROGEN COMPOUNDS, RADIOISOTOPES, SEPARATION PROCESSES, YEARS LIVING RADIOISOTOPES
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