Recovery of Cesium and Strontium from Nitric Acid HLW with a Mixture of Extractants: 18-Crown-6 and 21-Crown-7 Derivatives in Organic Solvents
1
Scientific and Technical Centre for Nuclear and Radiation Safety, Moscow, Russia
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Publication type: Journal Article
Publication date: 2023-08-01
scimago Q3
wos Q4
SJR: 0.285
CiteScore: 1.6
Impact factor: 1.0
ISSN: 10663622, 16083288
Physical and Theoretical Chemistry
Abstract
The processes of solvent extraction of cesium and strontium stable isotopes using solutions of macrocyclic polyethers in organic solvents from nitric acid solutions were studied. The influence of crown ether structure and solvent type on the distribution coefficients of cesium (DCs) and strontium (DSr) was investigated. Extraction systems for the co-extraction of cesium and strontium were tested, in which 1,1,7-trihydrododecafluoroheptanol and chlorine-substituted hydrocarbons were used as solvents. It was shown that there are highest DCs and DSr during co-extraction of metals when using a mixture of DTBDB18C6 and DCH18C6. Experimental data prove high selectivity of crown ethers for the extraction of cesium and strontium into a separate fraction when managing radioactive waste.
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Koshcheeva A. M., Rodin A., Ananev A. V. Recovery of Cesium and Strontium from Nitric Acid HLW with a Mixture of Extractants: 18-Crown-6 and 21-Crown-7 Derivatives in Organic Solvents // Radiochemistry. 2023. Vol. 65. No. 4. pp. 397-403.
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Koshcheeva A. M., Rodin A., Ananev A. V. Recovery of Cesium and Strontium from Nitric Acid HLW with a Mixture of Extractants: 18-Crown-6 and 21-Crown-7 Derivatives in Organic Solvents // Radiochemistry. 2023. Vol. 65. No. 4. pp. 397-403.
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TY - JOUR
DO - 10.1134/s106636222304001x
UR - https://doi.org/10.1134/s106636222304001x
TI - Recovery of Cesium and Strontium from Nitric Acid HLW with a Mixture of Extractants: 18-Crown-6 and 21-Crown-7 Derivatives in Organic Solvents
T2 - Radiochemistry
AU - Koshcheeva, A M
AU - Rodin, A.V.
AU - Ananev, A V
PY - 2023
DA - 2023/08/01
PB - Pleiades Publishing
SP - 397-403
IS - 4
VL - 65
SN - 1066-3622
SN - 1608-3288
ER -
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BibTex (up to 50 authors)
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@article{2023_Koshcheeva,
author = {A M Koshcheeva and A.V. Rodin and A V Ananev},
title = {Recovery of Cesium and Strontium from Nitric Acid HLW with a Mixture of Extractants: 18-Crown-6 and 21-Crown-7 Derivatives in Organic Solvents},
journal = {Radiochemistry},
year = {2023},
volume = {65},
publisher = {Pleiades Publishing},
month = {aug},
url = {https://doi.org/10.1134/s106636222304001x},
number = {4},
pages = {397--403},
doi = {10.1134/s106636222304001x}
}
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Koshcheeva, A. M., et al. “Recovery of Cesium and Strontium from Nitric Acid HLW with a Mixture of Extractants: 18-Crown-6 and 21-Crown-7 Derivatives in Organic Solvents.” Radiochemistry, vol. 65, no. 4, Aug. 2023, pp. 397-403. https://doi.org/10.1134/s106636222304001x.