Interaction of thorium and plutonium with pertechnetic acid in the course of extraction from nitric acid solutions with tributyl phosphate in diluent and its mathematical description

E. A. Puzikov; B. Ya. Zilberman; I. V. Blazheva; A. Yu. Vakhrushin; N. D. Goletskii; A. S. Kudinov; D. V. Ryabkov; O. V. Shmidt

doi:10.1134/S1066362216040056

Interaction of thorium and plutonium with pertechnetic acid in the course of extraction from nitric acid solutions with tributyl phosphate in diluent and its mathematical description

Авторы: Puzikov E.A.¹, Zilberman B.Y.¹, Blazheva I.V.¹, Vakhrushin A.Y.², Goletskii N.D.¹, Kudinov A.S.¹, Ryabkov D.V.¹, Shmidt O.V.³
Учреждения:
1. Khlopin Radium Institute
2. Research Institute of Atomic Reactors
3. Bochvar High-Tech Institute of Inorganic Materials
Выпуск: Том 58, № 4 (2016)
Страницы: 374-380
Раздел: Article
URL: https://journals.rcsi.science/1066-3622/article/view/223417
DOI: https://doi.org/10.1134/S1066362216040056
ID: 223417

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Аннотация

Databases on the coextraction of Th or Pu with Tc into 30% TBP in hydrocarbon diluent at 25°С are presented. The coextraction leads to mutual enhancement of the extraction of all the elements. The interactions in the system are described within the framework of a new approach to modeling, using the previously suggested and additional equations of concurrently occurring chemical reactions. The apparent equilibrium constants of these reactions are calculated.

Ключевые слова

thorium, plutonium, technetium, extraction, mathematical modeling

Об авторах

E. Puzikov

Khlopin Radium Institute

Автор, ответственный за переписку.
Email: egor_puzikov@mail.ru
Россия, 2-i Murinskii pr. 28, St. Petersburg, 194021