A silica-based ammonium molybdophosphate (AMP/SiO2) was successfully applied to remove Cs(I) from radioactive waste water in our previous study. The structure characterization of irradiated AMP/SiO2 was carried out by X-ray diffraction (XRD). The effect of the initial concentration of metal ions and acidity concentration for removal Cs(I) by irradiated AMP/SiO2 were investigated. No obvious difference was observed for AMP/SiO2 with 300 kGy absorbed dose from the XRD patterns, except the slightly shift of (110) peak toward a small angle. Relatively large distribution coefficient (8×103cm3/g) of Cs(I) was obtained in 3M HNO3 by irradiated AMP/SiO2. The maximum adsorption capacity of AMP/SiO2 irradiated at 300 kGy was estimated as 22.4 mg/g. The loss of molybdenum from AMP/SiO2 in 3 M HNO3 with 200 kGy absorbed dose is less than 5%.
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2017 25th International Conference on Nuclear Engineering
July 2–6, 2017
Shanghai, China
Conference Sponsors:
- Nuclear Engineering Division
ISBN:
978-0-7918-5785-4
PROCEEDINGS PAPER
Study on Radiation Effects on AMP/SiO2 Adsorbent for Separation of Cesium From High Level Radioactive Waste
Yan Wu,
Yan Wu
Shanghai Jiaotong University, Shanghai, China
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Xiaoxia Zhang,
Xiaoxia Zhang
Shanghai Jiaotong University, Shanghai, China
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Yuezhou Wei
Yuezhou Wei
Shanghai Jiaotong University, Shanghai, China
Search for other works by this author on:
Yan Wu
Shanghai Jiaotong University, Shanghai, China
Xiaoxia Zhang
Shanghai Jiaotong University, Shanghai, China
Yuezhou Wei
Shanghai Jiaotong University, Shanghai, China
Paper No:
ICONE25-67973, V007T10A048; 4 pages
Published Online:
October 17, 2017
Citation
Wu, Y, Zhang, X, & Wei, Y. "Study on Radiation Effects on AMP/SiO2 Adsorbent for Separation of Cesium From High Level Radioactive Waste." Proceedings of the 2017 25th International Conference on Nuclear Engineering. Volume 7: Fuel Cycle, Decontamination and Decommissioning, Radiation Protection, Shielding, and Waste Management; Mitigation Strategies for Beyond Design Basis Events. Shanghai, China. July 2–6, 2017. V007T10A048. ASME. https://doi.org/10.1115/ICONE25-67973
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