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@ARTICLE{SerranoPurroy:48085,
      author       = {Serrano-Purroy, D. and Baron, P. and Christiansen, S. H.
                      and Glatz, J.-P. and Madic, C. and Malmbeck, R. and Modolo,
                      G.},
      title        = {{F}irst demonstration of a centrifugal solvent extraction
                      process for minor actinides from a concentrated spent fuel
                      solution},
      journal      = {Separation and purification technology},
      volume       = {45},
      issn         = {1383-5866},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {PreJuSER-48085},
      pages        = {157 - 162},
      year         = {2005},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {The efficiency of minor actinides (MA) recovery in the
                      diamide extraction (DIAMEX) process has already been
                      demonstrated using high active raffinate (HAR). In view of
                      an industrial application, the next development step aims at
                      the partitioning of MA from high active concentrate (HAC) as
                      feed. The volume reduction reduces the size of the
                      installation, and thereby the amount of waste and the costs
                      of the process. In this work, MA recovery by DIAMEX
                      partitioning using genuine HAC has for the first time been
                      demonstrated. The experiment was successfully carried out in
                      a 16-stage centrifugal extractor battery, installed in the
                      hot cell facilities at ITU, using
                      N,N'-dimethyl-N,N'-dioctyl-2-(2-(hexyloxy)ethyl)-malonamide
                      (DMDOHEMA) as extractant. In order to produce a
                      representative HAC, a concentration-denitration process was
                      applied to a genuine HAR solution produced by small scale
                      plutonium uranium redox extraction (PUREX) reprocessing of a
                      mixed oxide (MOX) fuel solution. In the DIAMEX process, five
                      extraction stages were sufficient to achieve feed
                      decontamination factors above 10,000 for Am and Cm.
                      Co-extraction of molybdenum, zirconium and palladium was
                      prevented using oxalic acid and HEDTA scrubbing. The
                      back-extraction proved to be very efficient, yielding in
                      four stages recoveries for Am and Cm in the product fraction
                      above 99.7 and $99.9\%,$ respectively, which can be further
                      improved by process flowsheet optimisation. This work is a
                      major contribution in the field of partitioning and an
                      important step towards the industrial implementation of MA
                      partitioning. (C) 2005 Elsevier B.V. All rights reserved.},
      keywords     = {J (WoSType)},
      cin          = {ISR},
      ddc          = {540},
      cid          = {I:(DE-Juel1)VDB182},
      pnm          = {Nukleare Sicherheitsforschung},
      pid          = {G:(DE-Juel1)FUEK249},
      shelfmark    = {Engineering, Chemical},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000231999200011},
      doi          = {10.1016/j.seppur.2005.03.001},
      url          = {https://juser.fz-juelich.de/record/48085},
}