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@ARTICLE{Malmbeck:862494,
author = {Malmbeck, Rikard and Mugnusson, Daniel and Bourg, Stéphane
and Carrott, Michael and Geist, Andreas and Hérès, Xavier
and Miguirditchian, Manuel and Modolo, Giuseppe and
Müllich, Udo and Miguirditchian, and Taylor, Robin and
Wilden, Andreas},
title = {{H}omogenous {R}ecycling of {T}ransuranium {E}lements from
{I}rradiated {F}ast {R}eactor {F}uel by the {EURO}-{GANEX}
{S}olvent {E}xtraction {P}rocess},
journal = {Radiochimica acta},
volume = {107},
number = {9-11},
issn = {0033-8230},
address = {Berlin},
publisher = {De Gruyter},
reportid = {FZJ-2019-02800},
pages = {917-929},
year = {2019},
abstract = {The EURO-GANEX process was developed forco-separating
transuranium elements from irradiatednuclear fuels. A hot
flow-sheet trial was performed in acounter-current
centrifugal contactor setup, using a genuinehigh active feed
solution. Irradiated mixed (carbide,nitride) U80Pu20 fast
reactor fuel containing 20 $\%$ Pu wasthermally treated to
oxidise it to the oxide form which wasthen dissolved in
HNO3. From this solution uranium wasseparated to >99.9 $\%$
in a primary solvent extraction cycleusing 1.0 mol/L DEHiBA
(N,N-di(2-ethylhexyl)isobutyramidein TPH (hydrogenated
tetrapropene) as the organicphase. The raffinate solution
from this process, containing10 g/L Pu, was further
processed in a second cycle of solventextraction. In this
EURO-GANEX flow-sheet, TRU andfission product lanthanides
were firstly co-extracted intoa solvent composed of 0.2
mol/L TODGA (N,N,N′,N′-tetran-octyl diglycolamide) and
0.5 mol/L DMDOHEMA
(N,N′-dimethyl-N,N′-dioctyl-2-(2-hexyloxy-ethyl)
malonamide)dissolved in Exxsol D80, separating them from
most otherfission and corrosion products. Subsequently, the
TRUwere selectively stripped from the collected loaded
solventusing a solution containing 0.055 mol/L
SO3-Ph-BTP(2,6-bis(5,6-di(3-sulphophenyl)-1,2,4-triazin-3-yl)pyridinetetrasodium
salt) and 1 mol/L AHA (acetohydroxamicacid) in 0.5 mol/L
HNO3; lanthanides were finally strippedusing 0.01 mol/L
HNO3. Approximately 99.9 $\%$ of the TRUand less than 0.1
$\%$ of the lanthanides were found in theproduct solution,
which also contained the major fractionsof Zr and Mo.},
cin = {IEK-6},
ddc = {610},
cid = {I:(DE-Juel1)IEK-6-20101013},
pnm = {161 - Nuclear Waste Management (POF3-161) / ACSEPT -
Actinide reCycling by SEParation and Transmutation (211267)
/ SACSESS - Safety of ACtinide Separation proceSSes (323282)
/ GENIORS - GEN IV Integrated Oxide fuels recycling
strategies (755171)},
pid = {G:(DE-HGF)POF3-161 / G:(EU-Grant)211267 /
G:(EU-Grant)323282 / G:(EU-Grant)755171},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000489293000008},
doi = {10.1515/ract-2018-3089},
url = {https://juser.fz-juelich.de/record/862494},
}