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@ARTICLE{Authen:890772,
author = {Authen, Thea Lyseid and Wilden, Andreas and Schneider,
Dimitri and Kreft, Fabian and Modolo, Giuseppe and Foreman,
Mark R. StJ and Ekberg, Christian},
title = {{B}atch flowsheet test for a {GANEX}-type process: the
{CHALMEX} {FS}-13 process},
journal = {Solvent extraction and ion exchange},
volume = {40},
number = {3},
issn = {1532-2262},
address = {Philadelphia, PA},
publisher = {Taylor $\&$ Francis},
reportid = {FZJ-2021-01188},
pages = {189-202},
year = {2022},
abstract = {The Chalmers grouped actinide extraction (CHALMEX) process
isfocused on the co-separation of actinides from all other
elementsin spent nuclear fuel solution, with the ultimate
purposeof transmuting the actinides into shorter-lived and
less radiotoxicelements. Based on solvent extraction
equilibrium distributiondata of actinides and fission
products, a preliminaryflowsheet was developed and tested in
batch mode. The flowsheetconsists of one extraction step
with the CHALMEX FS-13solvent (25 mM CyMe4-BTBP in $30\%$
v/v TBP and $70\%$ v/v FS-13),using hydrophilic masking
agents (20 mM bimet and 0.2 Mmannitol) in the aqueous phase
for the complexation of troublesomefission products. Two
nitric acid scrub steps (0.5 MHNO3) were efficient in
removing co-extracted acid, all molybdenumand the majority
of silver. Two stripping stages (0.5 Mglycolic acid at pH 4)
were efficient in recovery of the actinidesfrom the organic
phase. The need for a solvent clean-up stagefor the removal
of nickel, cadmium, iron and the remainingsilver from the
organic phase was demonstrated. Based on thedistribution
data, it was calculated that a $99.9\%$ recovery ofamericium
is possible using only 3 ideal extraction stages, 3ideal
scrubbing stages and 2 ideal stripping stages.},
cin = {IEK-6},
ddc = {540},
cid = {I:(DE-Juel1)IEK-6-20101013},
pnm = {141 - Nukleare Entsorgung (POF4-141) / GENIORS - GEN IV
Integrated Oxide fuels recycling strategies (755171)},
pid = {G:(DE-HGF)POF4-141 / G:(EU-Grant)755171},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000621302600001},
doi = {10.1080/07366299.2021.1890372},
url = {https://juser.fz-juelich.de/record/890772},
}