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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
Source PublicationAPPLIED CLAY SCIENCE
ISSN0169-1317
Volume132Pages:7-16
AbstractWell-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.
SubtypeArticle
KeywordSuperparamagnetic Two-dimensional Polyaniline Clay Adsorption
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.clay.2016.06.005
WOS Subject ExtendedChemistry ; Materials Science ; Mineralogy
WOS KeywordMAGNETIC NANOMATERIALS ; CLAY-MINERALS ; METAL-IONS ; POLYANILINE ; PERFORMANCE ; SORPTION ; COMPOSITE ; CATALYSIS ; REMOVAL ; FILMS
Indexed BySCI ; ISTP
Language英语
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Mineralogy
WOS IDWOS:000385600600003
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/16475
Collection中国科学院广州能源研究所
Corresponding AuthorWang, Aiqin
Affiliation1.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
Recommended Citation
GB/T 7714
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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