Dynamic tests of cesium-137 recovery from the Mayak model alkaline HLW using  p -isononylcalix[6]arene based extractant

A. Z. Yumaguen; Юмагуен А. З.; E. S. Babitova; Бабитова Е. С.; M. V. Logunov; Логунов М. В.; M. D. Karavan; Караван М. Д.; P. V. Kozlov; Козлов П. В.; A. V. Konnikov; Конников А. В.; I. V. Smirnov; Смирнов И. В.

doi:10.31857/S0033831124020052

Dynamic tests of cesium-137 recovery from the Mayak model alkaline HLW using p-isononylcalix[6]arene based extractant

作者: Yumaguen A.Z.¹^,2^,3, Babitova E.S.¹^,4, Logunov M.V.², Karavan M.D.¹^,4, Kozlov P.V.²^,3, Konnikov A.V.², Smirnov I.V.¹^,4
隶属关系:
1. St. Petersburg State University
2. Mayak Production Association
3. Ozyorsk Institute of Technology
4. Khlopin Radium Institute
期: 卷 66, 编号 2 (2024)
页面: 143-156
栏目: Articles
URL: https://rjraap.com/0033-8311/article/view/661158
DOI: https://doi.org/10.31857/S0033831124020052
ID: 661158

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The article presents the results of studies on composition optimization, properties, and laboratory dynamic tests of extraction mixtures based on p-isononylcalix[6]arene for the alkaline HLW purification to remove ¹³⁷Cs. The distribution of ¹³⁷Cs among the products of the technological scheme is presented and the coefficients of raffinate purification to remove ¹³⁷Cs are determined. It was revealed that, in the case of using nitric acid as a stripping solution, nitrosation of p-isononylcalix[6]arene is possible in the technological process. The composition of the resulting product was determined. To prevent nitrosation of p-isononylcalix[6]arene, formic acid was used in the stripping stage, which ensured stable operation of the extraction stand for 48 h with ¹³⁷Cs extraction from model alkaline HLW at a level of 99.7%.

关键词

p-isononylcalix[6]arene, solvent extraction, high-level waste, alkaline waste, cesium-137

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作者简介

A. Yumaguen

St. Petersburg State University; Mayak Production Association; Ozyorsk Institute of Technology

编辑信件的主要联系方式.
Email: cpl@po-mayak.ru
俄罗斯联邦, St. Petersburg; Ozyorsk; Ozyorsk

E. Babitova

St. Petersburg State University; Khlopin Radium Institute

Email: cpl@po-mayak.ru
俄罗斯联邦, St. Petersburg; St. Petersburg

M. Logunov

Mayak Production Association

Email: cpl@po-mayak.ru
俄罗斯联邦, Ozyorsk

M. Karavan

St. Petersburg State University; Khlopin Radium Institute

Email: cpl@po-mayak.ru
俄罗斯联邦, St. Petersburg; St. Petersburg

P. Kozlov

Mayak Production Association; Ozyorsk Institute of Technology

Email: cpl@po-mayak.ru
俄罗斯联邦, Ozyorsk; Ozyorsk

A. Konnikov

Mayak Production Association

Email: cpl@po-mayak.ru
俄罗斯联邦, Ozyorsk

I. Smirnov

St. Petersburg State University; Khlopin Radium Institute

Email: igor_smirnov@khlopin.ru
俄罗斯联邦, St. Petersburg; St. Petersburg

参考

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Богатов С.А., Блохин П.А., Уткин С.С. // Вопр. радиац. безопасности. 2021. № 3 (103). С. 3.
Козлов П.В., Ремизов М.Б., Макаровский Р.А., Дементьева И.И., Лупеха Н.А., Зубриловский Е.Н., Кустов С.В., Мирошниченко А.А. // Радиоактивные отходы. 2018. № 4 (5). С. 55.
Pereira C., Arafat H.A., Falkenberg J.R., Regalbuto M.C., Vandegrift G.F. Recovery of Entrained CSSX Solvent from Caustic Aqueous Raffinate Using Coalescers: Report ANL-02/34. 2002.
Smirnov I.V., Shadrin A.Yu., Babain V.A., Logunov M.V. // ACS Symp. Ser. 2000. Vol. 757. Ch. 8. P. 107.
Gutsche C.D. Calixarenes: an Introduction. Ser.: Monographs in Supramolecular Chemistry. Cambridge: Royal Soc. Chem., 2008.
Smirnov I.V., Stepanova E.S., Tyupina M.Yu. // Macroheterocycles. 2017. Vol. 10. N 2. Р. 196.
Ивенская Н.М., Логунов М.В., Смирнов И.В. // Радиохимия. 2018. Т. 60. № 4. С. 378.
Smirnov I.V, Karavan M.D., Istomina N.M., Kozlov P.V., Voroshilov Yu.A. // J. Radioanal. Nucl. Chem. 2020. Vol. 326. N 1. P. 675.
Smirnov I.V., Karavan M.D., Yumaguen A.Z. // RAD Conf. Proc. 2021. Vol. 5. P. 48.
Рабинович В.А., Хавин З.Я. Краткий химический справочник. Л.: Химия, 1991. 432 с.
Химия долгоживущих осколочных элементов / Под ред. А.В. Николаева. М.: Атомиздат, 1970. 328 с.
Экстракция металлов фенолами / Под ред. А.В. Николаева. Новосибирск: Наука, 1976. 189 с.

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2. Fig. 1. Structural formula of IN6.

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3. Fig. 2. Mass spectrum of IN6 (m/z 1417 – molecular peak [C96H144O6Na]+).

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4. Fig. 3. IR spectrum of IN6 (ν – stretching, δ – deformation, ω – fan, t – torsional, ρ – pendulum, Ar – vibrations of the aromatic system).

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5. Fig. 4. Laboratory extraction unit of the “mixer-settler” type.

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6. Fig. 5. Schematic diagram of the power supply unit.

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7. Fig. 6. Extraction of cesium from aqueous solutions (pH 13.6) with organic phases containing from 0 to 15 vol% solubilizer.

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8. Fig. 7. Dependences of the metal distribution coefficient on the pH of the initial aqueous phase during their extraction with a solution of 40 g/dm3 IN6 in C2Cl4.

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9. Fig. 8. Isotherm of cesium extraction with a 40 g/dm3 solution of IN6 in C2Cl4 (a) and the dependence of lgDCs on lgC(IN6) at pH 13.64 and constant ionic strength (b).