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EDTA functionalized Fe3O4/graphene oxide for efficient removal of U(VI) from aqueous solutions
Zhao, Donglin1; Zhang, Qi1; Xuan, Han1; Chen, Yan1; Zhang, Kehua1; Feng, Shaojie1; Alsaedi, Ahmed3; Hayat, Tasawar3,4; Chen, Changlun2,3
2017-11-15
发表期刊JOURNAL OF COLLOID AND INTERFACE SCIENCE
卷号506页码:300-307
摘要In this study, a regenerable magnetic ligand material (EDTA-mGO) was fabricated by binding chelating groups (EDTA) onto Fe3O4/graphene oxide and applied to remove U(VI) from aqueous solution. The sorption experiments were investigated under different experimental conditions, such as temperature, contact time and pH. EDTA-mGO showed fast removal capacity for U(VI) (<1.5 h) with high sorption ability (277.43 mg/g). The removal mechanisms mainly attributed to the metal-binding organic ligand (EDTA) and the electrostatic attractions between U(VI) and oxygenic functional groups. In addition, the as-prepared EDTA-mGO dispersed in water could be easily collected after the sorption by the external magnetic field within 10 s. The removal of U(VI) by EDTA-mGO followed the pseudo-second-order rate better than the pseudo-first-order. The thermodynamic data indicated the endothermic and the spontaneous nature of U(VI) sorption. Furthermore, the reproducibility studies suggested that EDTA-mGO has a good reusability and a high stability. (C) 2017 Elsevier Inc. All rights reserved.
文章类型Article
关键词Edta Graphene Oxide u(Vi) Sorption
WOS标题词Science & Technology ; Physical Sciences
资助者National Natural Science Foundation of China(21377005 ; National Natural Science Foundation of China(21377005 ; Natural Science Fund of Education Department of Anhui province(KJ2015ZD15) ; Natural Science Fund of Education Department of Anhui province(KJ2015ZD15) ; 21477133) ; 21477133) ; National Natural Science Foundation of China(21377005 ; National Natural Science Foundation of China(21377005 ; Natural Science Fund of Education Department of Anhui province(KJ2015ZD15) ; Natural Science Fund of Education Department of Anhui province(KJ2015ZD15) ; 21477133) ; 21477133)
DOI10.1016/j.jcis.2017.07.057
关键词[WOS]GRAPHENE OXIDE ; MAGNETIC COMPOSITE ; CARBON NANOTUBES ; ADSORPTION ; NANOPARTICLES ; SORPTION ; CU(II) ; IONS ; EXTRACTION ; SEPARATION
收录类别SCI
语种英语
资助者National Natural Science Foundation of China(21377005 ; National Natural Science Foundation of China(21377005 ; Natural Science Fund of Education Department of Anhui province(KJ2015ZD15) ; Natural Science Fund of Education Department of Anhui province(KJ2015ZD15) ; 21477133) ; 21477133) ; National Natural Science Foundation of China(21377005 ; National Natural Science Foundation of China(21377005 ; Natural Science Fund of Education Department of Anhui province(KJ2015ZD15) ; Natural Science Fund of Education Department of Anhui province(KJ2015ZD15) ; 21477133) ; 21477133)
WOS研究方向Chemistry
WOS类目Chemistry, Physical
WOS记录号WOS:000410464300033
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.hfcas.ac.cn:8080/handle/334002/33670
专题中科院等离子体物理研究所
作者单位1.Anhui Jianzhu Univ, Key Lab Funct Mol Design & Interface Proc, Hefei 230601, Anhui, Peoples R China
2.Chinese Acad Sci, Inst Plasma Phys, POB 1126, Hefei 230031, Anhui, Peoples R China
3.King Abdulaziz Univ, Fac Sci, NAAM Res Grp, Jeddah 21589, Saudi Arabia
4.Quaid I Azam Univ, Dept Math, Islamabad 44000, Pakistan
推荐引用方式
GB/T 7714
Zhao, Donglin,Zhang, Qi,Xuan, Han,et al. EDTA functionalized Fe3O4/graphene oxide for efficient removal of U(VI) from aqueous solutions[J]. JOURNAL OF COLLOID AND INTERFACE SCIENCE,2017,506:300-307.
APA Zhao, Donglin.,Zhang, Qi.,Xuan, Han.,Chen, Yan.,Zhang, Kehua.,...&Chen, Changlun.(2017).EDTA functionalized Fe3O4/graphene oxide for efficient removal of U(VI) from aqueous solutions.JOURNAL OF COLLOID AND INTERFACE SCIENCE,506,300-307.
MLA Zhao, Donglin,et al."EDTA functionalized Fe3O4/graphene oxide for efficient removal of U(VI) from aqueous solutions".JOURNAL OF COLLOID AND INTERFACE SCIENCE 506(2017):300-307.
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