Synthesis and characterization of Mg-Fe-La trimetal composite as an adsorbent for fluoride removal
文献类型：期刊论文
| 作者 | Wang, Jian1; Kang, Dongjuan2; Yu, Xiaolin2; Ge, Maofa2; Chen, Yuantao1 |
| 刊名 | CHEMICAL ENGINEERING JOURNAL
 |
| 出版日期 | 2015-03-15 |
| 卷号 | 264页码:506-513 |
| 关键词 | Mg-Fe-La composite Fluoride Adsorption Aqueous solution |
| 英文摘要 | Flaky Mg-Fe-La trimetal composite as an adsorbent for fluoride removal was successfully synthesized by a facile co-precipitation method in this study. Various reaction parameters such as Mg/Fe/La molar ratio, synthesis temperature and calcination temperature were studied. The as-prepared adsorbents were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), Fourier transform infrared (FT-IR), energy-dispersive X-ray spectroscopy (EDS) and Brunauer-Emmett-Teller (BET). The experimental results demonstrated that the adsorbent with a Mg/Fe/La molar ratio of 25:1:4, synthesized at room temperature (25 degrees C) and calcined at 400 degrees C, obtained the largest adsorption capacity of 112.17 mg/g for fluoride at near neutral pH. The BET surface area and average pore diameter of the adsorbent were 178.55 m(2)/g and 31.16 nm, respectively. The adsorption process was fitted well with the Langmuir isotherm and pseudo-second-order kinetic model. The adsorption mechanisms for fluoride were adsorption/complexation and ion exchange interaction. Based on the experimental results, the flaky Mg-Fe-La composite can be a very promising material for fluoride removal from aqueous solution. (C) 2014 Elsevier B.V. All rights reserved. |
| 收录类别 | SCI |
| 语种 | 英语 |
| 公开日期 | 2015-11-02 |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/28222]  |
| 专题 | 化学研究所_分子动态与稳态结构实验室 |
| 作者单位 | 1.Qinghai Normal Univ, Dept Chem, Xining 810008, Qinghai, Peoples R China 2.Chinese Acad Sci, Inst Chem, Being Natl Lab Mol Sci, State Key Lab Struct Chem Unstable & Stable Speci, Beijing 100190, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang, Jian,Kang, Dongjuan,Yu, Xiaolin,et al. Synthesis and characterization of Mg-Fe-La trimetal composite as an adsorbent for fluoride removal[J]. CHEMICAL ENGINEERING JOURNAL,2015,264:506-513. |
| APA | Wang, Jian,Kang, Dongjuan,Yu, Xiaolin,Ge, Maofa,&Chen, Yuantao.(2015).Synthesis and characterization of Mg-Fe-La trimetal composite as an adsorbent for fluoride removal.CHEMICAL ENGINEERING JOURNAL,264,506-513. |
| MLA | Wang, Jian,et al."Synthesis and characterization of Mg-Fe-La trimetal composite as an adsorbent for fluoride removal".CHEMICAL ENGINEERING JOURNAL 264(2015):506-513. |
入库方式： OAI收割
来源：化学研究所
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