Application of titanium-containing sorbents for treating liquid radioactive waste with the subsequent conservation of radionuclides in Synroc-type titanate ceramics
- Авторы: Britvin S.N.1,2, Gerasimova L.G.1, Ivanyuk G.Y.1, Kalashnikova G.O.1, Krzhizhanovskaya M.G.2, Krivovivhev S.V.1,2, Mararitsa V.F.3, Nikolaev A.I.1, Oginova O.A.4, Panteleev V.N.4, Khandobin V.A.4, Yakovenchuk V.N.1, Yanicheva N.Y.1
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Учреждения:
- Kola Science Center
- St. Petersburg State University
- JSC Sotsium Northwest Research and Production and Tourist Center
- SevRAO Northwest Center for Radioactive Waste Management
- Выпуск: Том 50, № 4 (2016)
- Страницы: 598-606
- Раздел: Selected Articles from the Journal Khimicheskaya Tekhnologiya
- URL: https://bakhtiniada.ru/0040-5795/article/view/170862
- DOI: https://doi.org/10.1134/S0040579516040072
- ID: 170862
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Аннотация
New nanocrystalline titanium-containing sorbents, namely, layered hydrazinium titanate LHT-9, (N2H5)0.5Ti1.87O4 and synthetic ivanyukite-Na Na2K[Ti4(OH)O3(SiO4)3] · 7H2O, possess high sorption capacity towards cations of different valences and, due to their high chemical stability in acidic and alkaline media, provide the purification of liquid radioactive waste of any composition. The calcination of the product of the radionuclide sorption on LHT-9 and ivanyukite at 1000–1200°C yields mineral-like Synroc-type titanate ceramics applicable for long-term immobilization of sorbed radionuclides with a significant (by 17–250 times) decrease in the amount of radioactive waste.
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Об авторах
S. Britvin
Kola Science Center; St. Petersburg State University
Email: nikol_ai@chemy.kolasc.net.ru
Россия, Apatity; St. Petersburg
L. Gerasimova
Kola Science Center
Email: nikol_ai@chemy.kolasc.net.ru
Россия, Apatity
G. Ivanyuk
Kola Science Center
Email: nikol_ai@chemy.kolasc.net.ru
Россия, Apatity
G. Kalashnikova
Kola Science Center
Email: nikol_ai@chemy.kolasc.net.ru
Россия, Apatity
M. Krzhizhanovskaya
St. Petersburg State University
Email: nikol_ai@chemy.kolasc.net.ru
Россия, St. Petersburg
S. Krivovivhev
Kola Science Center; St. Petersburg State University
Email: nikol_ai@chemy.kolasc.net.ru
Россия, Apatity; St. Petersburg
V. Mararitsa
JSC Sotsium Northwest Research and Production and Tourist Center
Email: nikol_ai@chemy.kolasc.net.ru
Россия, Murmansk
A. Nikolaev
Kola Science Center
Автор, ответственный за переписку.
Email: nikol_ai@chemy.kolasc.net.ru
Россия, Apatity
O. Oginova
SevRAO Northwest Center for Radioactive Waste Management
Email: nikol_ai@chemy.kolasc.net.ru
Россия, Murmansk
V. Panteleev
SevRAO Northwest Center for Radioactive Waste Management
Email: nikol_ai@chemy.kolasc.net.ru
Россия, Murmansk
V. Khandobin
SevRAO Northwest Center for Radioactive Waste Management
Email: nikol_ai@chemy.kolasc.net.ru
Россия, Murmansk
V. Yakovenchuk
Kola Science Center
Email: nikol_ai@chemy.kolasc.net.ru
Россия, Apatity
N. Yanicheva
Kola Science Center
Email: nikol_ai@chemy.kolasc.net.ru
Россия, Apatity
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