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@MASTERSTHESIS{Benhajjam:1042713,
      author       = {Benhajjam, Zineb},
      title        = {{I}nvestigation of {M}e-{TDDGA} as {E}xtractant for
                      {G}rouped {A}ctinides {S}eparation from {L}anthanides},
      school       = {University of Applied Sciences Aachen},
      type         = {Masterarbeit},
      reportid     = {FZJ-2025-02659},
      pages        = {66 p.},
      year         = {2025},
      note         = {Masterarbeit, University of Applied Sciences Aachen, 2025},
      abstract     = {The removal of minor actinides (MAs) from nuclear waste -
                      in particular the separation of Am(III) from lanthanide (Ln)
                      fission products - is an important step in the partitioning
                      and transmutation $(P\&T)$ strategy aimed at reducing
                      long-term heat load and radiotoxicity. In this study, a
                      newly synthesized DGA ligand,
                      2-(2-[didecyl]-2-oxoethoxy)-N,N-didecylpropanamide
                      (Me-TDDGA), was evaluated for its extraction performance and
                      selectivity towards tri- and tetravalent actinides and
                      trivalent lanthanides under different experimental
                      conditions. While Me-TDDGA alone did not achieve significant
                      separation between An(III) and Ln(III), the introduction of
                      2,6-bis(5,6-di(sulfophenyl)-1,2,4-triazin-3-yl)pyridine
                      (SO₃-Ph-BTP) as a co-extractant showed remarkable
                      improvements in separation factors. Additionally, the use of
                      2,6-bis[1-(propan-1-ol)-1,2,3-triazol-4-yl)]pyridine (PTD),
                      a better alternative to SO3-Ph-BTP as it obeys the CHON
                      principle, was investigated, and higher concentrations can
                      further improve selectivity. These results highlight the
                      potential of multi-component extraction systems and set the
                      stage for future optimization towards more efficient
                      actinide-lanthanide separations.},
      cin          = {IFN-2},
      cid          = {I:(DE-Juel1)IFN-2-20101013},
      pnm          = {1412 - Predisposal (POF4-141)},
      pid          = {G:(DE-HGF)POF4-1412},
      typ          = {PUB:(DE-HGF)19},
      doi          = {10.34734/FZJ-2025-02659},
      url          = {https://juser.fz-juelich.de/record/1042713},
}