Uptake and Recovery of Ruthenium by Alginate Gel Polymers
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概要
- 論文の詳細を見る
The uptake and recovery of ruthenium ions were investigated by using alginate gel polymers. The uptake of RuNO3+ attained equilibrium within 2 d and the uptake percentage was above 90%. The distribution coefficient (Kd) of RuNO3+ for barium alginate (BaALG) tended to slightly decrease with increasing HNO3 concentration, while a relatively large Kd value of 52.0 cm3/g was obtained even in the presence of 6.7 M HNO3, indicating a high affinity of BaALG for RuNO3+ ions. The separation factor of RuNO3+ and Rh3+ was 16.0 in the presence of 2.5 M HNO3. The Ru ions were uniformly dispersed throughout the gel particle and the maximum uptake capacity was estimated to be 1.30 mmol/g. The RuNO3+ ions were effectively adsorbed on the packed column of BaALG and eluted with concentrated HNO3 solution.
- 社団法人 日本原子力学会の論文
- 2002-06-25
著者
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AKIBA Kenichi
Institute for Advanced Materials Processing, Tohoku University
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Ohta Hirokazu
Institute Of Multidisciplinary Research For Advanced Materials. Tohoku University
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OHTA Hiroshi
Institute of Space and Astronautical Science
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Akiba K
Institute Of Multidisciplinary Research For Advanced Materials. Tohoku University
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Akiba Kenichi
Institute For Advanced Materials Processing Tohoku University
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MIMURA Hitoshi
Institute of Multidisciplinary Research for Advanced Materials, Tohoku University
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ONODERA Yoshio
National Institute of Advanced Industrial Science and Technology
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Onodera Y
National Inst. Advanced Industrial Sci. And Technol. Sendai
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Mimura H
Tohoku Univ. Sendai
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Mimura Hitoshi
Institilte Of Multidisciplinary Research For Advanced Materials Tohoku University
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Ohta H
Institute Of Multidisciplinary Research For Advanced Materials. Tohoku University
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Ohta Hiroshi
Institute For Solid State Physics University Of Tokyo
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