Title: Demonstration of a TODGA Based Extraction Process for the Partitioning of Actinides from a PUREX Raffinate - Part III: Centrifugal Contractor Run Using Genuine Fuel Solution
Authors: MAGNUSSON D.CHRISTIANSEN BirgitGLATZ Jean-PaulMALMBECK RikardMODOLO G.SERRANO PURROY DanielSOREL C.
Citation: SOLVENT EXTRACTION AND ION EXCHANGE vol. 27 no. 1 p. 26-35
Publisher: TAYLOR & FRANCIS INC
Publication Year: 2009
JRC N°: JRC50410
ISSN: 0736-6299
URI: http://www.informaworld.com/smpp/content?content=a907418497
http://publications.jrc.ec.europa.eu/repository/handle/JRC50410
DOI: 10.1080/07366290802544726
Type: Articles in Journals
Abstract: Efficient recovery of minor actinides (MA) from genuine PUREX raffinate has been successfully demonstrated by the TODGA + TBP extractant mixture dissolved in an industrial aliphatic solvent TPH. The process was carried out in centrifugal contactors using an optimized flow-sheet involving a total of 32 stages, divided into 4 stages for extraction, 12 stages for scrubbing and 16 stages for back-extraction. Very high feed decontamination factors were obtained (Am, Cm ~ 40 000) and the recovery of these elements was higher than 99.99%. Of the non-lanthanide fission products only Y and a small part of Ru were co-separated into the product fraction together with the lanthanides and the MA.
JRC Institute:Institute for Transuranium Elements

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