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論文

First investigations on a $$CHON$$ UNEX process

Simonnet, M.; Muller, L.*; Sittel, T.*; We${ss}$ling, P.*; M$"u$llich, U.*; Geist, A.*; Panak, P.*

Radiochimica Acta, 111(8), p.597 - 600, 2023/05

https://doi.org/10.1515/ract-2023-0151
 被引用回数：2 パーセンタイル：26.62(Chemistry, Inorganic & Nuclear)

This paper presents first investigations on a novel An(III), Ln(III), Cs(I) and Sr(II) co-extraction conceptual process using a $$CHON$$ solvent composed of the calixarene crown-ether MAXCalix and the diglycolamide TODGA in a 1-octanol/kerosene diluent. The co-extraction is followed by a sequential stripping of (1) Cs(I) and Sr(II), (2) An(III) and (3) Ln(III).

論文

Cs extraction from chloride media by calixarene crown-ethers

Simonnet, M.; Sittel, T.*; We${ss}$ling, P.*; Geist, A.*

Energies (Internet), 15(20), p.7724_1 - 7724_10, 2022/10

https://doi.org/10.3390/en15207724
 被引用回数：8 パーセンタイル：27.77(Energy & Fuels)

Asse II salt mine, Germany, contains low and intermediate level radioactive waste that must be retrieved in the upcoming years. Potentially contaminated salts and brines will require treatment. $$^{137}$$Cs would be the main contaminant. Cs$$^{+}$$ is problematic to selectively recover due to its chemical similarity with Na$$^{+}$$ and K$$^{+}$$ which are present in high quantity in a salt mine. This paper is offering a solution for Cs$$^{+}$$ separation from concentrated chloride salt media by solvent extraction with calixarene-crown-ether extractants in alcoholic diluent.

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