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Enhanced Adsorption of Malachite Green onto Carbon Nanotube/Polyaniline Composites
Y. Zeng; L. J. Zhao; W. D. Wu; G. X. Lu; F. Xu; Y. Tong; W. B. Liu; J. H. Du
2013
Source PublicationJournal of Applied Polymer Science
ISSN0021-8995
Volume127Issue:4Pages:2475-2482
AbstractTo enhance adsorption of organic dyes like malachite green (MG) onto polymeric absorbents, we prepared carbon nanotube (CNT) filled polyaniline (PANI) composites with large surface areas by simply using entangled CNTs as porous frameworks during PANI polymerization. Adsorption behavior of the CNT/PANI composites in MG solutions was experimentally investigated and theoretically analyzed. The CNT/PANI composites exhibit much higher equilibrium adsorption capacity of 13.95 mg g(-1) at an initial MG concentration of 16 mg L-1, increasing by 15% than the neat PANI, which is mainly attributed to large surface areas and strong CNT-PANI interactions of the composites. In addition, theoretical analyses indicate that the adsorption kinetics and the isothermal process of the composites can be well explained by using the Ho pseudosecond-order model and the Langmuir model, respectively. In light of their high MG adsorption and easy operation, the CNT/PANI composites have great potential as high-efficiency adsorbents for removal of dyes from wastewater. (C) 2012 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 127: 2475-2482, 2013
description.department[zeng, you ; zhao, lijia ; wu, wendong ; lu, guixia ; xu, feng ; tong, yu] shenyang jianzhu univ, sch mat sci & engn, shenyang, peoples r china. [liu, wenbin ; du, jinhong] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. ; zeng, y (reprint author), shenyang jianzhu univ, sch mat sci & engn, shenyang, peoples r china. ; zengyou@sjzu.edu.cn
KeywordAdsorption Malachite Green Carbon Nanotubes Polyaniline Composites Agricultural Waste Material Aqueous-solution Activated Carbon Methylene-blue Nanotube Composites Removal Polyaniline Water Dyes Kinetics
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Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71664
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Y. Zeng,L. J. Zhao,W. D. Wu,et al. Enhanced Adsorption of Malachite Green onto Carbon Nanotube/Polyaniline Composites[J]. Journal of Applied Polymer Science,2013,127(4):2475-2482.
APA Y. Zeng.,L. J. Zhao.,W. D. Wu.,G. X. Lu.,F. Xu.,...&J. H. Du.(2013).Enhanced Adsorption of Malachite Green onto Carbon Nanotube/Polyaniline Composites.Journal of Applied Polymer Science,127(4),2475-2482.
MLA Y. Zeng,et al."Enhanced Adsorption of Malachite Green onto Carbon Nanotube/Polyaniline Composites".Journal of Applied Polymer Science 127.4(2013):2475-2482.
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