Study of Cs extraction in an ionic liquid system using a common anion in both aqueous and ionic liquid phases

Study of Cs extraction in an ionic liquid system using a common anion in both aqueous and ionic liquid phases

The effect of Tf 2 N − , as a common anion in aqueous and ionic liquid (IL) phases, on Cs extraction in the IL system was investigated using C 2 mimTf 2 N as an IL and DCH18C6 as an extractant. The “common anion (Tf 2 N − ) effect” operated via the movement of Cs + ·Tf 2 N − from the aqueous phase i...

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Veröffentlicht in:Journal of radioanalytical and nuclear chemistry 2019-05, Vol.320 (2), p.329-336
Hauptverfasser: Choi, Jung-Weon, Ryu, Hayeon, Oh, Wonzin, Choi, Sang-June
Format: Artikel
Sprache:eng
Schlagworte:
Anions
Cation exchanging
Chemistry
Chemistry and Materials Science
Diagnostic Radiology
Energy industries
Hadrons
Heavy Ions
Inorganic Chemistry
Ionic liquids
Ions
Liquid phases
Nuclear accidents
Nuclear Chemistry
Nuclear Physics
Physical Chemistry
Precipitation (Meteorology)
Solvents
Supersaturation
Technology
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Zusammenfassung:The effect of Tf 2 N − , as a common anion in aqueous and ionic liquid (IL) phases, on Cs extraction in the IL system was investigated using C 2 mimTf 2 N as an IL and DCH18C6 as an extractant. The “common anion (Tf 2 N − ) effect” operated via the movement of Cs + ·Tf 2 N − from the aqueous phase into the IL phase by extraction in the form of Cs + ·extractant·Tf 2 N − , without any traditional cation exchange. The extraction product was recovered as a precipitate using a small amount of IL, which facilitated precipitation via supersaturation.
ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-019-06473-1