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Adsorption and magnetic removal of neutral red dye from aqueous solution using Fe3O4 hollow nanospheres
文献类型：期刊论文
| 作者 | Iram, Mahmood1; Guo, Chen1; Guan, Yueping2; Ishfaq, Ahmad3; Liu, Huizhou1 |
| 刊名 | JOURNAL OF HAZARDOUS MATERIALS
 |
| 出版日期 | 2010-09-15 |
| 卷号 | 181期号:1-3页码:1039-1050 |
| 关键词 | Fe3O4 hollow nanospheres Adsorption Neutral red Color removal Adsorption isotherms |
| ISSN号 | 0304-3894 |
| DOI | 10.1016/j.jhazmat.2010.05.119 |
| 英文摘要 | Fe3O4 hollow nanospheres were prepared via a simple one-pot template-free hydrothermal method and were fully characterized. These magnetic spheres have been investigated for application as an adsorbant for the removal of dye contaminants from water. Because of the high specific surface area, nano-scale particle size, and hollow porous material, Fe3O4 hollow spheres showed favorable adsorption behavior for Neutral red. Factors affecting adsorption, such as, initial dye concentration, pH and contact time were evaluated. Langmuir and the Freundlich adsorption isotherms were selected to explicate the interaction of the dye and magnetic adsorbant. The characteristic parameters for each isotherm have been determined. The overall trend followed an increase of the sorption capacity with increasing dye concentration with a maximum of 90% dye removal. The monolayer adsorption capacity of magnetic hollow spheres (0.05 g) for NR in the concentration range studied, as calculated from the Langmuir isotherm model at 25 degrees C and pH 6, was found to be 105 mg g(-1). Adsorption kinetic followed pseudo-second-order reaction kinetics. Thermodynamic study showed that the adsorption processes are spontaneous and endothermic. The combination of the superior adsorption and the magnetic properties of Fe3O4 nanospheres can be useful as a powerful separation tool to deal with environmental pollution. (C) 2010 Elsevier B.V. All rights reserved. |
| 资助项目 | National Natural Science Foundation of China[20676137] ; National Natural Science Foundation of China[20490200] ; National Natural Science Foundation of China[20876158] ; National High Technology Research and Development Program of China[2007AA03Z315] |
| WOS研究方向 | Engineering ; Environmental Sciences & Ecology |
| 语种 | 英语 |
| WOS记录号 | WOS:000280601300137 |
| 出版者 | ELSEVIER SCIENCE BV |
| 源URL | [http://ir.amss.ac.cn/handle/2S8OKBNM/10046]  |
| 专题 | 中国科学院数学与系统科学研究院 |
| 通讯作者 | Iram, Mahmood |
| 作者单位 | 1.Chinese Acad Sci, Key Lab Green Proc & Engn, State Key Lab Biochem Engn, Inst Proc Engn, Beijing 100190, Peoples R China 2.Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China 3.Chinese Acad Sci, Inst Appl Math, Acad Math & Syst Sci, Beijing 100190, Peoples R China |
| 推荐引用方式 GB/T 7714 | Iram, Mahmood,Guo, Chen,Guan, Yueping,et al. Adsorption and magnetic removal of neutral red dye from aqueous solution using Fe3O4 hollow nanospheres[J]. JOURNAL OF HAZARDOUS MATERIALS,2010,181(1-3):1039-1050. |
| APA | Iram, Mahmood,Guo, Chen,Guan, Yueping,Ishfaq, Ahmad,&Liu, Huizhou.(2010).Adsorption and magnetic removal of neutral red dye from aqueous solution using Fe3O4 hollow nanospheres.JOURNAL OF HAZARDOUS MATERIALS,181(1-3),1039-1050. |
| MLA | Iram, Mahmood,et al."Adsorption and magnetic removal of neutral red dye from aqueous solution using Fe3O4 hollow nanospheres".JOURNAL OF HAZARDOUS MATERIALS 181.1-3(2010):1039-1050. |
入库方式： OAI收割
来源：数学与系统科学研究院
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