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Sorbents Based on the Phosphates and Complex Oxides of Titanium(IV) for Decontamination of Liquid Radioactive Waste
https://doi.org/10.18412/1816-0395-2019-11-20-25
Abstract
The prospects of using of sorbents based on oxohydroxophosphate titanium(IV) to extract 134 Cs,137Cs and 90Sr from solutions close in composition to sea water have shown. The optimal conditions for the use of sorbents providing effective joint extraction of 134,137Cs and 90Sr in the presence of background macro components were determined. Modification of sorbents improves their sorption properties. It was established that the titanate ion exchangers are of interest for selective extraction of 90Sr. Optimum conditions of their application was defined. Heat treatment of waste sorbents provides reliable immobilization of radioactive sorbate. The titanium ortophosphate sorbents was tested for decontamination of liquid radioactive waste. The efficiency of their use is shown.
About the Authors
R.I. Korneikov
Tananaev Institute of Chemistry – Subdivision of the Federal Research Centre "Kola Science Centre of the Russian Academy of Sciences" Science Centre of Russian Academy of Sciences
Russian Federation
Cand. Sci. (Eng.), Research Scientist
Russian Federation
Cand. Sci. (Eng.), Research Scientist
V.I. Ivanenko
Tananaev Institute of Chemistry – Subdivision of the Federal Research Centre "Kola Science Centre of the Russian Academy of Sciences" Science Centre of Russian Academy of Sciences
Russian Federation
Dr. Sci. (Eng.), Head of Laboratory
Russian Federation
Dr. Sci. (Eng.), Head of Laboratory
S.V. Vladimirova
Tananaev Institute of Chemistry – Subdivision of the Federal Research Centre "Kola Science Centre of the Russian Academy of Sciences" Science Centre of Russian Academy of Sciences
Russian Federation
Leading Engineer
Russian Federation
Leading Engineer
N.V. Zharov
Tananaev Institute of Chemistry – Subdivision of the Federal Research Centre "Kola Science Centre of the Russian Academy of Sciences" Science Centre of Russian Academy of Sciences
Russian Federation
Post-graduate Student
Russian Federation
Post-graduate Student
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Review
For citations:
Korneikov R., Ivanenko V., Vladimirova S., Zharov N. Sorbents Based on the Phosphates and Complex Oxides of Titanium(IV) for Decontamination of Liquid Radioactive Waste. Ecology and Industry of Russia. 2019;23(11):20-25. (In Russ.) https://doi.org/10.18412/1816-0395-2019-11-20-25
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