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| Iodide Ions in MIL-101 Adsorbent Solution Modified with Copper |
| Received:August 08, 2016 Revised:January 15, 2017 |
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| DOI：10.7643/ issn.1672-9242.2017.01.016 |
| KeyWord:radioactive iodine copper doping modification MIL-101 doping amount adsorption rate |
| Author | Institution |
| JIANG Zheng |
School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing , China |
| ZHANG Yi |
School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing , China |
| LI Qiang |
School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing , China |
| MAO Ping |
School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing , China |
| YANG Yi |
1.School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing , China;2.Jiangsu Engineering Technology Research Center of Environmental Cleaning Materials CEM，School of Environmental Sciences and Engineering, Nanjing University of Information Science and Technology, Nanjing , China |
| JIAO Yan |
Jiangsu Engineering Technology Research Center of Environmental Cleaning Materials CEM，School of Environmental Sciences and Engineering, Nanjing University of Information Science and Technology, Nanjing , China |
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| Abstract: |
| Objective To improve the adsorption performance of MIL-101 on radioactive iodine ions in solution. Methods MIL-101 modified with copper doping was researched. Physical properties of materials before and after modification were analyzed with SEM, XRD, specific surface, pore size analyzer, etc. Moreover, effects of adsorption on the content of copper, adsorption time, initial concentration of iodide ions were studied. Results The adsorption rate of MIL-101 increased obviously after it is modified with copper. Especially when the content of copper is 20%, it had the best adsorption performance because maximum specific surface was achieved. The adsorption rate decreased with the increase of adsorption time, and increased with the decrease of initial concentration. Conclusion MIL-101 has better adsorption property and is dominant in both adsorption rate and adsorption capacity after it is modified with copper. |
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