学術雑誌論文

学術雑誌論文

Journal of Radioanalytical and Nuclear Chemistry. 2024, 333(10), p. 5183-5189

Solvent extraction of selenium in nitric acid: evaluation of multiple extractants and proposal of a novel separation process

Springer Science and Business Media LLC

2024-09-28

https://doi.org/10.1007/s10967-024-09681-6

This version of the article has been accepted for publication, after peer review (when applicable) and is subject to Springer Nature’s AM terms of use, but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at: https://doi.org/10.1007/s10967-024-09681-6.

Solvent extraction behaviors of Se (VI) from nitric acid solutions were investigated with multiple extractants used for uranium, plutonium, minor actinides, and rare earth elements separation processes from high-level liquid waste. During the processes, Se remained in the residual aqueous solutions, as all extractants showed distribution ratios < 1. In contrast, Se showed distribution ratios > 1 with o-phenylenediamine in dilute nitric acid (< 2 M HNO3), octanol as the organic phase, and concentrated nitric acid (8 M HNO3) for back extraction, suggesting a potential new single separation process and recovery of Se.

© Akadémiai Kiadó, Budapest, Hungary 2024

98202

Solvent extraction of selenium in nitric acid: evaluation of multiple extractants and proposal of a novel separation process

Springer Science and Business Media LLC

2024-09-28

Journal of Radioanalytical and Nuclear Chemistry

333

10

5183

5189

https://doi.org/10.1007/s10967-024-09681-6

https://hdl.handle.net/11094/98202