Evaluation of permutite for removal of radiocobalt from nuclear wastewater

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• 作者：Xianghai Zhao ; Yong Luo ; Chaohui He…
• 关键词：Sorption ; Co(II) ; Permutite ; Kinetics ; Thermodynamic parameters
• 刊名：Journal of Radioanalytical and Nuclear Chemistry
• 出版年：2015
• 出版时间：January 2015
• 年：2015
• 卷：303
• 期：1
• 页码：837-844
• 全文大小：718 KB
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• 作者单位：Xianghai Zhao (1)
  Yong Luo (1)
  Chaohui He (1)
  Pengfei Zong (2)
  Kai Zhang (1)
  Jeremiah Monari Kebwaro (1)
  Kui Li (1)
  Baofeng Fu (1)
  Yaolin Zhao (1)
  
  1. School of Nuclear Science and Technology, Xi’an Jiaotong University, Xi’an, 710049, People’s Republic of China
  2. Reactor Operation and Application Division, Nuclear Power Institute of China, Chengdu, 610005, People’s Republic of 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

A synthetic zeolite, commercially available as permutite was tested for removing radiocobalt from aqueous solutions by sorption. The sorption process was studied as a function of contact time, pH, ionic strength and solid content by batch technique. The results revealed that the process is dependent on the pH and ionic strength under ambient conditions. The kinetic sorption was fitted well by a pseudo-second-order rate equation. The thermodynamic parameters (ΔH 0, ΔS 0, ΔG 0) suggested that sorption behavior of Co(II) is a spontaneous and endothermic process. The study shows that permutite has excellent potential for disposal of wastewaters containing radiocobalt.