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Preparation, characterization and application on dye adsorption of a well-defined two-dimensional superparamagnetic clay/polyaniline/Fe3O4 nanocomposite
Mu, Bin1,2; Tang, Jie1,3; Zhang, Long4; Wang, Aiqin1,2
2016-11-01
发表期刊APPLIED CLAY SCIENCE
ISSN0169-1317
卷号132页码:7-16
摘要Well-defined two-dimensional superparamagnetic clay/polyaniline/Fe3O4 nanocomposites were successfully prepared for dye adsorption based on montmorillonite and vermiculite via a one-pot method combining in situ intercalation polymerization and coprecipitation technique. The results of XRD revealed that montmorillonite and vermiculite were well intercalated and even completely exfoliated by polyaniline and Fe3O4. Furthermore, the generated Fe(3)O(4)nanopartides with a diameter of about 10 nm and polyaniline were well confined to the surface of clay without the free aggregates. The as-prepared two-dimensional superparamagnetic nanocomposites could be served as a recycled adsorbent for the removal of dyes from aqueous solution by magnetic separation. The adsorption ratio toward 100 ppm of Brilliant green, Methylene blue, and Congo red reached 96.2%, 99.6% and 98.1%, respectively. In addition, the adsorption kinetics and the adsorption isotherm well fitted pseudo second-order kinetic model and Langmuir isotherm model, respectively. It suggested that the two-dimensional superparamagnetic nanocomposites exhibited excellent adsorption ratio to cationic dyes as well as anionic dyes. (C) 2016 Elsevier B.V. All rights reserved.
文章类型Article
关键词Superparamagnetic Two-dimensional Polyaniline Clay Adsorption
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/j.clay.2016.06.005
研究领域[WOS]Chemistry ; Materials Science ; Mineralogy
关键词[WOS]MAGNETIC NANOMATERIALS ; CLAY-MINERALS ; METAL-IONS ; POLYANILINE ; PERFORMANCE ; SORPTION ; COMPOSITE ; CATALYSIS ; REMOVAL ; FILMS
收录类别SCI ; ISTP
语种英语
WOS类目Chemistry, Physical ; Materials Science, Multidisciplinary ; Mineralogy
WOS记录号WOS:000385600600003
出版者ELSEVIER SCIENCE BV
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/16475
专题中国科学院广州能源研究所
通讯作者Wang, Aiqin
作者单位1.Chinese Acad Sci, Lanzhou Inst Chem Phys, Ctr Ecomat & Green Chem, Lanzhou 730000, Peoples R China
2.Chinese Acad Sci, Lanzhou Inst Chem Phys, Ctr Xuyi Attapulgite Appl Technol, Xuyi 211700, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Lanzhou Univ Technol, Sch Mat Sci & Engn, Lanzhou 730050, Peoples R China
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Mu, Bin,Tang, Jie,Zhang, Long,et al. Preparation, characterization and application on dye adsorption of a well-defined two-dimensional superparamagnetic clay/polyaniline/Fe3O4 nanocomposite[J]. APPLIED CLAY SCIENCE,2016,132:7-16.
APA Mu, Bin,Tang, Jie,Zhang, Long,&Wang, Aiqin.(2016).Preparation, characterization and application on dye adsorption of a well-defined two-dimensional superparamagnetic clay/polyaniline/Fe3O4 nanocomposite.APPLIED CLAY SCIENCE,132,7-16.
MLA Mu, Bin,et al."Preparation, characterization and application on dye adsorption of a well-defined two-dimensional superparamagnetic clay/polyaniline/Fe3O4 nanocomposite".APPLIED CLAY SCIENCE 132(2016):7-16.
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