| Adsorption of Methyl Orange on Magnetically Separable Mesoporous Titania Nanocomposite☆ |
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| 作者姓名： | Libo Gao Qiang Zhang Junyang Li Ruiting Feng Hongyan Xu Chenyang Xue |
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| 作者单位： | 1.Key Laboratory of Instrumentation Science and Dynamic Measurement of Ministry of Education, North University of China, Taiyuan 030051, China;2.Science and Technology on Electronic Test & Measurement Laboratory, North University of China, Taiyuan 030051, China;3.School of Materials Science and Engineering, North University of China, Taiyuan 030051, China |
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| 基金项目： | Supported by the National Natural Science Foundation of China (2011011013-2) and the Youth Foundation of Science and Technology Agency of Shanxi Province, China (2011021020-2). |
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| 摘 要： | The adsorption of mesoporous Fe3O4–SiO2–TiO2 (MFST), which can be separated easily from solution by a mag-net, for the removal of methyl orange (MO) was investigated. The nitrogen adsorption–desorption...
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| 关 键 词： | Mesoporous Fe3O4-SiO2-TiO2 Adsorption Methyl orange Pseudo-second order model |
| 收稿时间： | 2013-12-28 |
Adsorption of Methyl Orange on Magnetically Separable Mesoporous Titania Nanocomposite |
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| Libo Gao,Qiang Zhang,Junyang Li,Ruiting Feng,Hongyan Xu,Chenyang Xue.Adsorption of Methyl Orange on Magnetically Separable Mesoporous Titania Nanocomposite[J].Chinese Journal of Chemical Engineering,2014,22(10):1168-1173. |
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| Authors: | Libo Gao Qiang Zhang Junyang Li Ruiting Feng Hongyan Xu Chenyang Xue |
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| Affiliation: | 1.Key Laboratory of Instrumentation Science and Dynamic Measurement of Ministry of Education, North University of China, Taiyuan 030051, China;2.Science and Technology on Electronic Test & Measurement Laboratory, North University of China, Taiyuan 030051, China;3.School of Materials Science and Engineering, North University of China, Taiyuan 030051, China |
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| Abstract: | The adsorption of mesoporous Fe3O4-SiO2-TiO2 (MFST), which can be separated easily from solution by a magnet, for the removal ofmethyl orange (MO)was investigated. The nitrogen adsorption-desorption measurement shows successful synthesis of MFST with an average pore size of 3.8 nm and a large specific surface area of 55 m2·g-1. About 95% adsorption percentage of MO is achieved with an initial concentration of 10 mg·L-1 in the dark and the MFST exhibits superior adsorption ability under acid conditions. The adsorption data fit well with the pseudo-second order model for adsorption. After 4 cycles, the adsorption rate for MO remains 74% in the dark and the MFST can be recovered in a magnetic field with a recovery of about 80% (by mass). It demonstrates that the samples have significant value on applications of wastewater treatment. |
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| Keywords: | Mesoporous Fe3O4-SiO2-TiO2 Adsorption Methyl orange Pseudo-second order model |
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