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| Fe Nanoparticle Doped MIL-101(Cr) and Its Adsorption Performance of Radioactive Iodine |
| Received:February 27, 2019 Revised:March 20, 2019 |
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| DOI：10.7643/issn.1672-9242.2019.08.004 |
| KeyWord:metal-organic frameworks MIL-101 Fe-doping modified radioactive iodine adsorption |
| Author | Institution |
| LIU Mei-hong |
School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing , China;Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, Nanjing , China |
| GAO Jian |
School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing , China;Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, Nanjing , China |
| CHEN Qi |
School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing , China;Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, Nanjing , China |
| CHEN Jiu-yu |
School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing , China;Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, Nanjing , China |
| QI Bing-bing |
School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing , China;Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, Nanjing , China |
| YANG Yi |
School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing , China;Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, Nanjing , China |
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| Abstract: |
| Objective To improve the adsorption performance of metal organic frameworks material MIL-101 for gaseous iodine. Methods The Fe-doped modified MIL-101 material was prepared by hydrothermal synthesis method, and the materials were characterized and analyzed by scanning electron microscopy (SEM) and X-ray diffraction (XRD). The adsorption experiment of the materials was carried out at 75 ℃. And the comparison on the adsorption properties of materials was taken under different Fe doping levels. Results The nano-Fe was successfully doped in the substrate MIL-101 and had no damage effect to the crystal structure of the substrate material. According to the research on absorption property, when the Fe-doped mass fraction was 1%, the adsorption ability was the best and its saturated adsorption capacity could reach 3.42 g(I2)/g (modified material). Conclusion The Fe-doped modified materials have an excellent adsorption performance at high temperatures, and can be applied for enrichment and trapping of radioactive iodine of reactor accidents. |
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