Synthesis of magnetic graphene oxide grafted polymaleicamide dendrimer nanohybrids for adsorption of Pb(II) in aqueous solution
Ma, Ying-Xia; Kou, Ya-Lan; Xing, Dan; Jin, Peng-Sheng; Shao, Wen-Jie; Li, Xin; Du, Xue-Yan; La, Pei-Qing
2017-10-15
发表期刊JOURNAL OF HAZARDOUS MATERIALS
ISSN0304-3894
卷号340页码:407-416
摘要In this paper, using maleic anhydride and ethylenediamine as functional monomers, graphene oxide (GO) loaded magnetic Fe3O4 nanoparticles modified by (3-Aminopropyl) triethoxysilane as support, magnetic graphene oxide grafted polymaleicamide dendrimer (GO/Fe3O4-g-PMAAM) nanohybrids were fabricated by divergent method and magnetic separation technology. The obtained samples were characterized by transmission electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, Fourier transform infrared spectroscopy, elementary analyzer and vibrating sample magnetometer. The effects of PMAAM generations, solution pH, Pb(II) initial concentration, temperature and contact time on the adsorption property of the samples for Pb(II) in aqueous solution were studied. The results demonstrated that nitrogen content and adsorption capacity of the as-synthesized samples with amino terminal groups were all higher than their adjacent generations PMAAM with carboxyl terminal groups. Moreover, with increasing generations of PMAAM grafted on to the GO/Fe3O4, the nitrogen content and the adsorption capacity of the samples with the same terminal groups gradually increased. The maximum adsorption capacity of GO/Fe3O4-g-G3.0 for Pb(II) was 181.4 mg g(-1) at 298K. The rising of temperature was beneficial for the adsorption. The adsorption kinetics had a better agreement with pseudo-second-order equation, and equilibrium data followed the Langmuir model. (C) 2017 Elsevier B.V. All rights reserved.
关键词Graphene oxide Fe3O4 nanoparticles Polymaleicamide dendrimer Adsorption Pb(II)
DOI10.1016/j.jhazmat.2017.07.026
收录类别SCI ; SCIE
语种英语
资助项目National Natural Science Foundation of China[51403091] ; Postdoctoral Science Foundation of China[2015M572616]
WOS研究方向Engineering ; Environmental Sciences & Ecology
WOS类目Engineering, Environmental ; Environmental Sciences
WOS记录号WOS:000409149800042
出版者ELSEVIER SCIENCE BV
EI入藏号20173003969359
EI主题词Lead compounds
EI分类号741.3 Optical Devices and Systems - 761 Nanotechnology - 801 Chemistry - 802.2 Chemical Reactions - 802.3 Chemical Operations - 804 Chemical Products Generally - 804.2 Inorganic Compounds
引用统计
被引频次:84[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符https://ir.lut.edu.cn/handle/2XXMBERH/33055
专题研究生院
材料科学与工程学院
通讯作者Ma, Ying-Xia
作者单位Lanzhou Univ Technol, Sch Mat Sci & Engn, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Gansu, Peoples R China
第一作者单位材料科学与工程学院
通讯作者单位材料科学与工程学院
第一作者的第一单位材料科学与工程学院
推荐引用方式
GB/T 7714
Ma, Ying-Xia,Kou, Ya-Lan,Xing, Dan,et al. Synthesis of magnetic graphene oxide grafted polymaleicamide dendrimer nanohybrids for adsorption of Pb(II) in aqueous solution[J]. JOURNAL OF HAZARDOUS MATERIALS,2017,340:407-416.
APA Ma, Ying-Xia.,Kou, Ya-Lan.,Xing, Dan.,Jin, Peng-Sheng.,Shao, Wen-Jie.,...&La, Pei-Qing.(2017).Synthesis of magnetic graphene oxide grafted polymaleicamide dendrimer nanohybrids for adsorption of Pb(II) in aqueous solution.JOURNAL OF HAZARDOUS MATERIALS,340,407-416.
MLA Ma, Ying-Xia,et al."Synthesis of magnetic graphene oxide grafted polymaleicamide dendrimer nanohybrids for adsorption of Pb(II) in aqueous solution".JOURNAL OF HAZARDOUS MATERIALS 340(2017):407-416.
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