Open Access
Applied Sciences (Switzerland), volume 11, issue 23, pages 11180
Perspective compounds for immobilization of spent electrolyte from pyrochemical processing of spent nuclear fuel
Danilov Sergey S
1
,
Matveenko Anna V
2
,
Frolova Anna V
1
,
Belova Kseniya Y
1
,
Vinokurov Sergey E
1
,
Myasoedov Boris F.
1, 3
Publication type: Journal Article
Publication date: 2021-11-25
Journal:
Applied Sciences (Switzerland)
Quartile SCImago
Q2
Quartile WOS
Q2
Impact factor: 2.7
ISSN: 20763417
Computer Science Applications
Process Chemistry and Technology
General Materials Science
Instrumentation
General Engineering
Fluid Flow and Transfer Processes
Abstract
Immobilization of spent electrolyte–radioactive waste (RW) generated during the pyrochemical processing of mixed nitride uranium–plutonium spent nuclear fuel is an acute task for further development of the closed nuclear fuel cycle with fast neutron reactors. The electrolyte is a mixture of chloride salts that cannot be immobilized directly in conventional cement or glass matrix. In this work, a low-temperature magnesium potassium phosphate (MPP) matrix and two types of high-temperature matrices (sodium aluminoironphosphate (NAFP) glass and ceramics based on bentonite clay) were synthesized. Two systems (Li0.4K0.28La0.08Cs0.016Sr0.016Ba0.016Cl and Li0.56K0.40Cs0.02Sr0.02Cl) were used as spent electrolyte imitators. The phase composition and structure of obtained materials were studied by XRD and SEM-EDS methods. The differential leaching rate of Cs from MPP compound and ceramic based on bentonite clay was about 10−5 g/(cm2·day), and the rate of Na from NAFP glass was about 10−6 g/(cm2·day). The rate of 239Pu from MPP compound (leaching at 25 °C) and NAFP glass (leaching at 90 °C) was about 10−6 and 10−7 g/(cm2·day), respectively. All the synthesized materials demonstrated high hydrolytic, mechanical compression strength (40–50 MPa) even after thermal (up to 450 °C) and irradiation (up to 109 Gy) tests. The characteristics of the studied matrices correspond to the current requirements to immobilized high-level RW, that allow us to suggest these materials for industrial processing of the spent electrolyte.
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1
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Energies
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3 publications, 60%
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Journal of Composites Science
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1 publication, 20%
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Ceramics International
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Ceramics International
1 publication, 20%
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Citations by publishers
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1
2
3
4
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Multidisciplinary Digital Publishing Institute (MDPI)
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Multidisciplinary Digital Publishing Institute (MDPI)
4 publications, 80%
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Elsevier
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1 publication, 20%
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1
2
3
4
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- We do not take into account publications that without a DOI.
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Kulikova A. A. et al. Perspective compounds for immobilization of spent electrolyte from pyrochemical processing of spent nuclear fuel // Applied Sciences (Switzerland). 2021. Vol. 11. No. 23. p. 11180.
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Kulikova A. A., Danilov S. S., Matveenko A. V., Frolova A. V., Belova K. Y., Petrov V. G., Vinokurov S. E., Myasoedov B. F. Perspective compounds for immobilization of spent electrolyte from pyrochemical processing of spent nuclear fuel // Applied Sciences (Switzerland). 2021. Vol. 11. No. 23. p. 11180.
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TY - JOUR
DO - 10.3390/app112311180
UR - https://doi.org/10.3390%2Fapp112311180
TI - Perspective compounds for immobilization of spent electrolyte from pyrochemical processing of spent nuclear fuel
T2 - Applied Sciences (Switzerland)
AU - Matveenko, Anna V
AU - Belova, Kseniya Y
AU - Myasoedov, Boris F.
AU - Danilov, Sergey S
AU - Frolova, Anna V
AU - Vinokurov, Sergey E
AU - Kulikova, Alexandra A.
AU - Petrov, Vladimir G
PY - 2021
DA - 2021/11/25 00:00:00
PB - Multidisciplinary Digital Publishing Institute (MDPI)
SP - 11180
IS - 23
VL - 11
SN - 2076-3417
ER -
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@article{2021_Kulikova,
author = {Anna V Matveenko and Kseniya Y Belova and Boris F. Myasoedov and Sergey S Danilov and Anna V Frolova and Sergey E Vinokurov and Alexandra A. Kulikova and Vladimir G Petrov},
title = {Perspective compounds for immobilization of spent electrolyte from pyrochemical processing of spent nuclear fuel},
journal = {Applied Sciences (Switzerland)},
year = {2021},
volume = {11},
publisher = {Multidisciplinary Digital Publishing Institute (MDPI)},
month = {nov},
url = {https://doi.org/10.3390%2Fapp112311180},
number = {23},
pages = {11180},
doi = {10.3390/app112311180}
}
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Kulikova, Alexandra A., et al. “Perspective compounds for immobilization of spent electrolyte from pyrochemical processing of spent nuclear fuel.” Applied Sciences (Switzerland), vol. 11, no. 23, Nov. 2021, p. 11180. https://doi.org/10.3390%2Fapp112311180.