Adsorption of Re and 99Tc by means of radiation-grafted weak basic anion exchange resin
| Autor: | Jianhua Zu, Linfeng He, Ruiqin Liu, Fangdong Tang, Jianqiu Zhang |
|---|---|
| Rok vydání: | 2016 |
| Předmět: |
chemistry.chemical_classification
Health Toxicology and Mutagenesis Inorganic chemistry Public Health Environmental and Occupational Health Aromatic amine Sorption Polymer 010402 general chemistry 010403 inorganic & nuclear chemistry Grafting 01 natural sciences Pollution 0104 chemical sciences Analytical Chemistry chemistry.chemical_compound Adsorption Nuclear Energy and Engineering chemistry Desorption Pyridine Radiology Nuclear Medicine and imaging Ion-exchange resin Spectroscopy |
| Zdroj: | Journal of Radioanalytical and Nuclear Chemistry. 310:229-237 |
| ISSN: | 1588-2780 0236-5731 |
| DOI: | 10.1007/s10967-016-4819-0 |
| Popis: | To avoid using toxic solvents, weak basic anion exchange resin with aromatic amine groups was prepared by grafting 4-vinyl pyridine onto polystyrene microspheres through simultaneous radiation grafting method. In batch adsorption experiments toward Re(VII) which was selected to simulate 99Tc, the adsorption efficiency maximized when the concentration of HNO3 was set at 0.02 M. Using reductive eluents SnCl2 it was found a method to efficiently regenerated resin at low acidity. For adsorption toward 99Tc, the results matched well with Re, which indicates that the prepared exchangers will have wide applications in the future to remove 99Tc from spent nuclear fuel. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|