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Coagulation Behavior of Graphene Oxide on Nanocrystallined Mg/AI Layered Double Hydroxides: Batch Experimental and Theoretical Calculation Study

文献类型：期刊论文

作者Zou, Yidong1,2; Wang, Xiangxue1,3; Ai, Yuejie1; Liu, Yunhai2; Li, Jiaxing3,5,6; Ji, Yongfei4; Wang, Xiangke1,7
刊名ENVIRONMENTAL SCIENCE & TECHNOLOGY
出版日期2016-04-05
卷号50期号:7页码:3658-3667
DOI10.1021/acs.est.6b00255
文献子类Article
英文摘要Graphene oxide (GO) has attracted considerable attention because of its remarkable enhanced adsorption and multifunctional properties. However, the toxic properties of GO nanosheets released into the environment could lead to the instability of biological system. In aqueous phase, GO may interact with fine mineral particles, such as chloridion intercalated nanocrystallined Mg/Al layered double hydroxides (LDH-Cl) and nanocrystallined Mg/Al LDHs (LDH CO3), which are considered as coagulant molecules for the coagulation and removal of GO from aqueous solutions. Herein the coagulation of GO on LDHs were studied as a function of solution pH, ionic strength, contact time, temperature and coagulant concentration. The presence of LDH Cl and LDH-CO3 improved the coagulation of GO in solution efficiently, which was mainly attributed to the surface oxygen-containing functional groups of LDH Cl and LDH-CO3 occupying the binding sites of GO. The coagulation of GO by LDH-CI and LDH-CO3 was strongly dependent on pH and ionic strength. Results of coagulation of GO on LDHs was energetically favored by electrostatic interactions and hydrogen bonds, which was further evidenced by FTIR and XPS analysis. By integrating the experimental results, it was clear that LDH Cl could be potentially used as a cost-effective coagulant for the elimination of GO from aqueous solutions, which could efficiently decrease the potential toxicity of GO in the natural environment.
WOS关键词AQUEOUS-SOLUTION ; MG-AL ; EFFICIENT REMOVAL ; ADSORPTION ; WATER ; NANOSHEETS ; COMPOSITE ; PERFORMANCE ; CR(VI) ; NANOMATERIAL
WOS研究方向Engineering ; Environmental Sciences & Ecology
语种英语
WOS记录号WOS:000373655800043
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源URL[http://ir.hfcas.ac.cn/handle/334002/21408]  
专题合肥物质科学研究院_中科院等离子体物理研究所
作者单位1.North China Elect Power Univ, Sch Environm & Chem Engn, Beijing 102206, Peoples R China
2.E China Inst Technol, Sch Chem Biol & Mat Sci, Nanchang 330013, Peoples R China
3.Chinese Acad Sci, Inst Plasma Phys, Key Lab Novel Thin Film Solar Cells, POB 1126, Hefei 230031, Peoples R China
4.Royal Inst Technol, Sch Biotechnol, Theoret Chem & Biol, Roslagstullsbacken 15, S-10691 Stockholm, Sweden
5.Soochow Univ, Collaborat Innovat Ctr Radiat Med, Jiangsu Higher Educ Inst, Suzhou 215123, Peoples R China
6.Soochow Univ, Sch Radiol & Interdisciplinary Sci, Suzhou 215123, Peoples R China
7.King Abdulaziz Univ, Fac Sci, NAAM Res Grp, Jeddah 21589, Saudi Arabia
推荐引用方式
GB/T 7714		 Zou, Yidong,Wang, Xiangxue,Ai, Yuejie,et al. Coagulation Behavior of Graphene Oxide on Nanocrystallined Mg/AI Layered Double Hydroxides: Batch Experimental and Theoretical Calculation Study[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY,2016,50(7):3658-3667.
APA Zou, Yidong.,Wang, Xiangxue.,Ai, Yuejie.,Liu, Yunhai.,Li, Jiaxing.,...&Wang, Xiangke.(2016).Coagulation Behavior of Graphene Oxide on Nanocrystallined Mg/AI Layered Double Hydroxides: Batch Experimental and Theoretical Calculation Study.ENVIRONMENTAL SCIENCE & TECHNOLOGY,50(7),3658-3667.
MLA Zou, Yidong,et al."Coagulation Behavior of Graphene Oxide on Nanocrystallined Mg/AI Layered Double Hydroxides: Batch Experimental and Theoretical Calculation Study".ENVIRONMENTAL SCIENCE & TECHNOLOGY 50.7(2016):3658-3667.

入库方式： OAI收割

来源：合肥物质科学研究院

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