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@ARTICLE{Authen:878038,
      author       = {Authen, Thea Lyseid and Wilden, Andreas and Halleröd,
                      Jenny and Schneider, Dimitri and Kreft, Fabian and Modolo,
                      Giuseppe and Ekberg, Christian},
      title        = {{B}atch {T}ests for {O}ptimisation of {S}olvent
                      {C}omposition and {P}rocess {F}lexibility of the {CHALMEX}
                      {FS}-13 {P}rocess},
      journal      = {Solvent extraction and ion exchange},
      volume       = {39},
      number       = {1},
      issn         = {0736-6299},
      address      = {Philadelphia, PA},
      publisher    = {Taylor $\&$ Francis},
      reportid     = {FZJ-2020-02594},
      pages        = {1-17},
      year         = {2021},
      abstract     = {Studies have been performed with the purpose of determining
                      the optimal solvent composition of a Chalmers grouped
                      actinide extraction (CHALMEX) solvent for the selective
                      co-extraction of transuranic elements in a novel Grouped
                      ActiNide EXtraction (GANEX) process. The solvent is composed
                      of
                      6,6’-bis(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-benzo-[1,2,4]-triazin-3-yl)-[2,2’]-bipyridine
                      (CyMe4-BTBP) and tri-n-butyl phosphate (TBP) in phenyl
                      trifluoromethyl sulfone (FS-13). The performance of the
                      system has been shown to significantly depend on the ratios
                      of the two extracting agents and the diluent to one another.
                      Furthermore, the performance of the determined optimal
                      solvent (10 mM CyMe4-BTBP in $30\%$ v/v TBP and $70\%$ v/v
                      FS-13) on various simulated PUREX raffinate solutions was
                      tested. It was found that the solvent extracts all
                      transuranic elements with high efficiency and good
                      selectivity with regard to most other elements (fission
                      products/activation products) present in the simulated PUREX
                      raffinate solutions. Moreover, the solvent was found to
                      extract a significant amount of acid. Palladium, silver and
                      cadmium were co-extracted along with the TRU-radionuclides,
                      which has also been observed in other similar CHALMEX
                      systems. The extraction of plutonium and uranium was
                      preserved for all tested simulated PUREX raffinate solutions
                      compared to experiments using trace amounts.},
      cin          = {IEK-6},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IEK-6-20101013},
      pnm          = {1411 - Nuclear Waste Disposal (POF4-141) / GENIORS - GEN IV
                      Integrated Oxide fuels recycling strategies (755171)},
      pid          = {G:(DE-HGF)POF4-1411 / G:(EU-Grant)755171},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000552553000001},
      doi          = {10.1080/07366299.2020.1797988},
      url          = {https://juser.fz-juelich.de/record/878038},
}