Evaluation of sorption capability and aqueous stability of Ba2TiSi2O8 (BTS)

被引：1
作者：
Kar, Aishwarya Soumitra [1 ]
Sahu, Manjulata [1 ]
Keskar, Meera [2 ]
Rajeshwari, B. [3 ]
Tomar, B. S. [1 ]
机构：
[1] Bhabha Atom Res Ctr, Radioanalyt Chem Div, Bombay 400085, Maharashtra, India
[2] Bhabha Atom Res Ctr, Div Fuel Chem, Bombay 400085, Maharashtra, India
[3] Bhabha Atom Res Ctr, Radiochem Div, Bombay 400085, Maharashtra, India
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2017年 / 311卷 / 01期
关键词：
Ba2TiSi2O8; Curium; Sorption; Dissolution; FRESNOITE; ETS-10; DISSOLUTION; ADSORPTION; THERMOCHEMISTRY; CRYSTALLIZATION; COMPLEXATION; PURIFICATION; RETENTION; KINETICS;
D O I：
10.1007/s10967-016-5066-0
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The present paper, for the first time, reports the application of Ba2TiSi2O8 (BTS) for management of trivalent actinides present in radioactive waste. BTS was synthesized and thoroughly characterized. Uptake of Cm(III) by BTS in pH range 2.5-8.0 has been studied by batch sorption experiments using Cm-244 as a tracer. The distribution coefficient K (d) of Cm(III) by BTS increased with pH reaching saturation value to nearly 60,000 mL/g. The stability of BTS in aqueous solution was evaluated in terms of lattice and hydration energy. The studies suggest that BTS can serve as a potential sorbing media for radioactive waste management.
引用
收藏
页码：289 / 299
页数：11
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