Sorption-active matrix based on titanium hydroxide for concentration and joint immobilization of caesium and strontium radionuclides / Voronina A.V., Semenishchev V.S. // Journal of Radioanalytical and Nuclear Chemistry. - 2015. - V. 303, l. 1. - P. 229-236.

ISSN:
02365731
Type:
Article
Abstract:
The possibility of using ferrocyanide sorbent based on hydrated titanium dioxide as a matrix for concentration and joint immobilization of caesium and strontium radionuclides is studied in the article. Chemical stability of sorbent samples saturated by radionuclides is determined via long-term leaching method and thermal behaviour of samples is studied. High chemical stability of sorption-active matrix with respect to leaching of caesium and strontium radionuclides by various types of water (distilled, tap, mineral and sea water) as well as thermal stability within the range of 20–100 °C are shown. Distilled water is the most aggressive leachant sorption-active matrix; for distilled water leaching rates ranged from (3.7 ± 0.2) 9 10-10to (8.2 ± 0.2) 9 10-12g cm-2day-1 for caesium and from (1.8 ± 0.1) 9 10-10 to (1.2 ± 0.1) 9 10-12g cm-2day-1. Burial or storage of saturated sorption-active matrices dried at temperature of up to 100 °C is recommended. © Akadémiai Kiadó, Budapest, Hungary 2014.
Author keywords:
Burial; Hydrated titanium dioxide; Leaching; Matrix for immobilization; Radioactive waste; Sorbent
Index keywords:
cesium; distilled water; ferrocyanide; mineral water; nickel potassium ferrocyanide; sea water; strontium; titanium; titanium hydroxide; unclassified drug; Article; chemical composition; chemical stru
DOI:
10.1007/s10967-014-3336-2
Смотреть в Scopus:
https://www.scopus.com/inward/record.uri?eid=2-s2.0-84948439533&doi=10.1007%2fs10967-014-3336-2&partnerID=40&md5=281220eaaf25a9583a718ba191d2339f
Соавторы в МНС:
Другие поля
Поле Значение
Art. No. A229
Link https://www.scopus.com/inward/record.uri?eid=2-s2.0-84948439533&doi=10.1007%2fs10967-014-3336-2&partnerID=40&md5=281220eaaf25a9583a718ba191d2339f
Affiliations Ural Federal University, Ekaterinburg, Russian Federation
Author Keywords Burial; Hydrated titanium dioxide; Leaching; Matrix for immobilization; Radioactive waste; Sorbent
Chemicals/CAS cesium, 7440-46-2; ferrocyanide, 13408-63-4, 13601-19-9; strontium, 7440-24-6; titanium, 7440-32-6
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Correspondence Address Voronina, A.V.; Ural Federal UniversityRussian Federation; email: av.voronina@mail.ru
Publisher Springer Netherlands
CODEN JRNCD
Language of Original Document English
Abbreviated Source Title J. Radioanal. Nucl. Chem.
Source Scopus