刊名:Journal of Radioanalytical and Nuclear Chemistry
出版年:2016
出版时间:April 2016
年:2016
卷:308
期:1
页码:155-163
全文大小:1,211 KB
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作者单位:Fuyin Ma (1) (2) (3) (4) Wanlong Shi (1) (2) (3) (4) Hu Meng (1) (2) (3) (4) Zheng Li (1) (3) (4) Wei Zhou (1) (3) (4) Lan Zhang (1) (3) (4)
1. Shanghai Institute of Applied Physics Chinese Academy of Science, Shanghai, 201800, China 2. University of Chinese Academy of Sciences, Beijing, 100049, China 3. Key Laboratory of Nuclear Radiation and Nuclear Energy Technology, Chinese Academy of Science, Shanghai, 201800, China 4. Center for Excellence TMSR Energy System, Chinese Academy of Science, Shanghai, 201800, China
刊物类别:Chemistry and Materials Science
刊物主题:Chemistry Nuclear Chemistry Physical Chemistry Nuclear Physics, Heavy Ions and Hadrons Diagnostic Radiology Inorganic Chemistry
出版者:Akad茅miai Kiad贸, co-published with Springer Science+Business Media B.V., Formerly Kluwer Academic
ISSN:1588-2780
文摘
An organic–inorganic composite ion exchanger of polyantimonic acid-polyacrylonitrile (PAA–PAN) was synthesized to remove strontium(II) from radioactive waste water. Ion exchange behavior of the composite toward strontium(II) were investigated and the results indicated that the composite presents excellent performance in 0.1 mol L−1 nitric acid. The maximum uptake capacity of strontium(II) can reach up to 49 mg g−1 on composite. Adsorption thermodynamic parameters showed that the ion exchange was endothermic and spontaneous reaction and equilibrium adsorption data fit well with the Langmuir adsorption isotherms. In addition, PAA–PAN beads were found to have chemical and adsorption stability under irradiation and acidic media.