Fabrication of Amino Functionalized Magnetic Expanded Graphite Nanohybrids for Application in Removal of Ag(I) from Aqueous Solution | |
Ma, Ying-Xia; Ruan, Yong-Xin; Xing, Dan; Du, Xue-Yan; La, Pei-Qing | |
2017 | |
发表期刊 | JOURNAL OF NANOMATERIALS |
ISSN | 1687-4110 |
卷号 | 2017 |
摘要 | Ethylenediamine functionalized magnetic expanded graphite decorated with Fe3O4 nanoparticles (MEG-NH2) was fabricated by one-pot solvothermal method. The as-prepared MEG-NH2 nanohybrids were characterized by means of scanning electron microscopy (SEM), X-ray diffraction (XRD), Fourier transform infrared spectra (FTIR), X-ray photoelectron spectroscopy (XPS), thermogravimetric analysis (TGA), vibrating sample magnetometer (VSM), and Zeta potential analyzer. The effects of Fe3O4 content in MEG-NH2 nanohybrids, pH, initial concentration, contact time, and dosage on adsorption properties of the MEG-NH2 nanohybrids for Ag(I) from aqueous solution were investigated by batch experiments. The pseudo-first-order and the pseudosecond-order kinetic models were utilized to study adsorption kinetics. The experimental data was also analyzed with Langmuir, Freundlich, Temkin, and Dubinin-Radushkevich isothermmodels. The results show that Ag(I) was reduced to silver in the process of the adsorption by MEG-NH2 nanohybrids; the experimental data was better fitted to pseudo-second-order model and Langmuir isotherm model which revealed that the adsorption process was a chemical adsorption by the formation of silver on the surface of MEG-NH 2 nanohybrids. |
关键词 | Ethylene glycol Fabrication Fourier transform infrared spectroscopy Graphite Iron oxides Isotherms Magnetite Nanomagnetics Nanostructured materials Photoelectron spectroscopy Scanning electron microscopy Silver compounds Thermogravimetric analysis X ray photoelectron spectroscopy |
DOI | 10.1155/2017/6839474 |
收录类别 | SCI ; SCIE |
语种 | 英语 |
资助项目 | National Natural Science Foundation of China[51403091] ; Postdoctoral Science Foundation of China[2015M572616] |
WOS研究方向 | Science & Technology - Other Topics ; Materials Science |
WOS类目 | Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary |
WOS记录号 | WOS:000394856500001 |
出版者 | HINDAWI LTD |
EI入藏号 | 20170803377606 |
EI主题词 | Adsorption |
EI分类号 | 701.2 Magnetism: Basic Concepts and Phenomena - 761 Nanotechnology - 801 Chemistry - 802.3 Chemical Operations - 804.1 Organic Compounds - 804.2 Inorganic Compounds |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | https://ir.lut.edu.cn/handle/2XXMBERH/33430 |
专题 | 研究生院 材料科学与工程学院 |
通讯作者 | Ma, Ying-Xia; Du, Xue-Yan |
作者单位 | Lanzhou Univ Technol, Key Lab Nonferrous Met Alloys & Proc, Minist Educ,Sch Mat Sci & Engn, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Peoples R China |
第一作者单位 | 兰州理工大学 |
通讯作者单位 | 兰州理工大学 |
第一作者的第一单位 | 兰州理工大学 |
推荐引用方式 GB/T 7714 | Ma, Ying-Xia,Ruan, Yong-Xin,Xing, Dan,et al. Fabrication of Amino Functionalized Magnetic Expanded Graphite Nanohybrids for Application in Removal of Ag(I) from Aqueous Solution[J]. JOURNAL OF NANOMATERIALS,2017,2017. |
APA | Ma, Ying-Xia,Ruan, Yong-Xin,Xing, Dan,Du, Xue-Yan,&La, Pei-Qing.(2017).Fabrication of Amino Functionalized Magnetic Expanded Graphite Nanohybrids for Application in Removal of Ag(I) from Aqueous Solution.JOURNAL OF NANOMATERIALS,2017. |
MLA | Ma, Ying-Xia,et al."Fabrication of Amino Functionalized Magnetic Expanded Graphite Nanohybrids for Application in Removal of Ag(I) from Aqueous Solution".JOURNAL OF NANOMATERIALS 2017(2017). |
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