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000009815 084__ $$2WoS$$aChemistry, Inorganic & Nuclear
000009815 084__ $$2WoS$$aNuclear Science & Technology
000009815 1001_ $$0P:(DE-Juel1)130383$$aModolo, G.$$b0$$uFZJ
000009815 245__ $$aDemonstration of the LUCA process for the separation of americium(III) from curium(III), californium(III), and lanthanides(III) in acidic solution using a synergistic mixture of bis(chlorophenyl)dithiophosphinic acid and tris(2-ethylhexyl)phosphate
000009815 260__ $$aMünchen$$bOldenbourg$$c2010
000009815 300__ $$a193 - 201
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000009815 440_0 $$05243$$aRadiochimica Acta$$v98$$x0033-8230$$y4
000009815 500__ $$aFinancial support for this research was provided by the European Commission (project ACSEPT No. 211267).
000009815 520__ $$aThe LUCA process was developed at Forschungszentrum Julich for the selective separation of Am(III) from an acidic solution containing the trivalent actinides Am(III). Cm(III), and Cf(III) as well as lanthanides. A mixture of 0.4 mol/L bis(chlorophenyl)dithiophosphinic acid and 0.15 mol/L tris(2-ethylhexyl)phosphate dissolved in 20% isooctane/80% tert-butyl benzene was used as the extractant. The process was carried out in centrifugal contactors using an optimized flowsheet involving 7 stages for extraction, 9 stages for scrubbing and 8 stages for back-extraction. Very encouraging results were obtained. A high feed decontamination factor was obtained for Am(III) (> 1000), and recovery in the product after stripping was higher than 99.8%. The Am(III) product was contaminated with 0.47% Cm(III). More than 99.9% Cf(III), Eu(III) and > 99.5% Cm(III) inventories were directed to the raffinate and the contamination with Am(III) (< 0.08%) was low. The experimental results were in good agreement with the predictions of a computer code.
000009815 536__ $$0G:(DE-Juel1)FUEK404$$2G:(DE-HGF)$$aNukleare Sicherheitsforschung$$cP14$$x0
000009815 536__ $$0G:(EU-Grant)211267$$aACSEPT - Actinide reCycling by SEParation and Transmutation (211267)$$c211267$$fFP7-Fission-2007$$x1
000009815 588__ $$aDataset connected to Web of Science
000009815 65320 $$2Author$$aMinor actinides
000009815 65320 $$2Author$$aLanthanides
000009815 65320 $$2Author$$aAmericium
000009815 65320 $$2Author$$aCurium
000009815 65320 $$2Author$$aPartitioning
000009815 65320 $$2Author$$aSolvent extraction
000009815 65320 $$2Author$$aCentrifugal contactors
000009815 65320 $$2Author$$aLUCA process
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000009815 7001_ $$0P:(DE-Juel1)VDB71263$$aKluxen, P.$$b1$$uFZJ
000009815 7001_ $$0P:(DE-HGF)0$$aGeist, A.$$b2
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