期刊
ACS OMEGA
卷 6, 期 7, 页码 4597-4608出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsomega.0c05091
关键词
-
资金
- General Project of the National Natural Science Foundation of China [51278418]
The study showed that the adsorption performance of the composite material GO/MIL-101(Fe) was superior to MIL-101(Fe), with the highest adsorption capacity achieved when 10% GO was added, following the Langmuir model. GO/MIL-101(Fe) can be reused at least three times.
The composite material graphene oxide (GO)/MIL-101(Fe) was prepared by a simple one-pot reaction method. MIL-101(Fe) grown on the surface of a GO layer was confirmed by scanning electron microscopy (SEM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), and thermogravimetric analysis (TGA). The adsorption performance and the mechanism of MIL-101(Fe) and GO/MIL-101(Fe) for methyl orange (MO) were studied. The results have shown that the adsorption capacity of GO/MIL-101(Fe) for MO was significantly better than that of MIL-101(Fe), and its capacity was the highest when 10% GO was added. The Langmuir specific surface areas of MIL-101(Fe) and GO/MIL-101(Fe) were 1003.47 and 888.289 m(2).g(-1), respectively. The maximum adsorption capacities of MO on MIL-101 (Fe) and 10% GO/MIL-101 (Fe) were 117.74 and 186.20 m.g(-1), respectively. The adsorption isotherms were described by the Langmuir model, and the adsorption kinetic data suggested the pseudo-second order to be the best fit model. GO/MIL-101(Fe) can be reused at least three times.
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