Paper Type |
Contributed Paper |
Title |
2-Methylimidazole-modified Iron Metal-organic Framework as an Efficient Methylene Blue Adsorbent |
Author |
Yingxin Zhao, Hao Hu, Shengyu Zhang, Shiya Feng, Yun Yang, Xiongjian Li and Shuijin Yang |
Email |
yangshuijin@hbnu.edu.cn |
Abstract: Metal organic frameworks have a wide range of applications in the field of environmental remediation. In this study, Fe-BDC/Fe-2MI composites were synthesized by one-pot solvothermal method. By studying the adsorption performance of methylene blue (MB) in wastewater, it was confirmed that Fe-BDC/Fe-2MI has excellent adsorption properties. When the initial molar ratio of FeCl3.6H2O:H2BDC:2-MI is 1:1.5:10, the adsorbent has the best adsorption performance. At the same time, the effects of different pH (2-10), temperature (303-323K) and initial concentration of adsorbate (30-90mg/L) on the adsorption capacity were further explored. It was found that when pH=6.0, T=303K was favorable for Fe-BDC/Fe-2MI to adsorb MB. The adsorption process conformed to the Langmuir isotherm adsorption model, indicating that it was a monolayer adsorption which was a good adsorption process. Thermodynamic parameters show that the adsorption process is a spontaneous exothermic reaction. These results demonstrated that Fe-BDC/Fe-2MI composites possess potential practical application value. |
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Start & End Page |
1576 - 1593 |
Received Date |
2022-06-30 |
Revised Date |
2022-09-20 |
Accepted Date |
2022-09-27 |
Full Text |
Download |
Keyword |
2-MI, Fe-MOFs, adsorption, methylene blue |
Volume |
Vol.49 No.6 (November 2022) |
DOI |
https://doi.org/10.12982/CMJS.2022.104 |
Citation |
Zhao Y., Hu H., Zhang S., Feng S., Yang Y., Li X., et al., 2-Methylimidazole-modified Iron Metal-organic Framework as an Efficient Methylene Blue Adsorbent, Chiang Mai J. Sci., 2022; 49(6): 1576-1593. DOI 10.12982/CMJS.2022.104. |
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