Magnetic polydopamine decorated with Mg-Al LDH nanoflakes as a novel bio-based adsorbent for simultaneous removal of potentially toxic metals and anionic dyes

doi:10.1039/c5ta09132b

CORC > 合肥物质科学研究院 > 中国科学院合肥物质科学研究院 > 中科院等离子体物理研究所

	Magnetic polydopamine decorated with Mg-Al LDH nanoflakes as a novel bio-based adsorbent for simultaneous removal of potentially toxic metals and anionic dyes
	Li, Jie 1,3,4; Fan, Qiaohui 2; Wu, Yijin 3; Wang, Xiangxue 1,3,4; Chen, Changlun 4; Tang, Zhiyong 3; Wang, Xiangke 1,5,6
刊名	JOURNAL OF MATERIALS CHEMISTRY A
	2016
卷号	4 期号:5 页码:1737-1746
DOI	10.1039/c5ta09132b
文献子类	Article
英文摘要	Potentially toxic metals and dyes commonly coexist in industrial wastewaters, posing a serious threat to public health and the environment and making the treatment more challenging. Herein, we report a novel magnetic polydopamine (PDA)-LDH (MPL) bifunctional material, which is fabricated by an easy and green approach for the simultaneous removal of potentially toxic metals and anionic dyes. In this assembly, both PDA and LDHs are expected to capture these pollutants. In a mono-component system, the removal behaviors showed heterogeneous removal capacities of 75.01, 624.89 and 584.56 mg g(-1) for Cu(II), methyl orange (MO) and Congo red (CR), respectively. Interestingly, the presence of CR and MO enhanced the removal of Cu(II) significantly in the Cu(II)-dye binary system. However, the presence of Cu(II) had no significant effect on dyes. Based on the characterization results including X-ray diffraction (XRD) analysis, Fourier transformed infrared (FT-IR) spectroscopy, X-ray photoelectron spectroscopy (XPS) and elemental mapping, the removal of Cu(II) was mainly controlled by bonding with surface functional groups (hydroxyl, catechol, imine and amine groups), coupled with isomorphic substitution and surface precipitation. In summary, such a green and facile synthesis method, efficient removal performance and superior reusability suggest that the MPL assemblies have practical application potential for integrative and efficient treatment of coexisting toxic pollutants.
WOS关键词	LAYERED DOUBLE HYDROXIDE ; MUSSEL-INSPIRED POLYDOPAMINE ; GRAPHENE OXIDE NANOSHEETS ; HEAVY-METAL ; EFFICIENT REMOVAL ; WASTE-WATER ; ORGANIC POLLUTANTS ; AQUEOUS-SOLUTIONS ; CATIONIC DYES ; ADSORPTION
WOS研究方向	Chemistry ; Energy & Fuels ; Materials Science
语种	英语
WOS记录号	WOS:000368839200025
资助机构	National Natural Science Foundation of China(21577032 ; National Natural Science Foundation of China(21577032 ; National Natural Science Foundation of China(21577032 ; National Natural Science Foundation of China(21577032 ; National Natural Science Foundation of China(21577032 ; National Natural Science Foundation of China(21577032 ; National Natural Science Foundation of China(21577032 ; National Natural Science Foundation of China(21577032 ; National Natural Science Foundation of China(21577032 ; National Natural Science Foundation of China(21577032 ; National Natural Science Foundation of China(21577032 ; National Natural Science Foundation of China(21577032 ; National Natural Science Foundation of China(21577032 ; National Natural Science Foundation of China(21577032 ; National Natural Science Foundation of China(21577032 ; National Natural Science Foundation of China(21577032 ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; 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内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/21814]
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.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Petr Resources, Gansu Prov Key Lab Petr Resources Res, Lanzhou 730000, Peoples R China 3.Natl Ctr Nanoscience & Technol, Lab Nanomat, Beijing 100190, Peoples R China 4.Chinese Acad Sci, Inst Plasma Phys, Key Lab Novel Thin Film Solar Cells, Hefei 230031, Peoples R China 5.Soochow Univ, Sch Radiol & Interdisciplinary Sci, Collaborat Innovat Ctr Radiat Med Jiangsu Higher, Suzhou 215123, Peoples R China 6.King Abdulaziz Univ, NAAM Res Grp, Fac Sci, Jeddah 21589, Saudi Arabia
推荐引用方式 GB/T 7714	Li, Jie,Fan, Qiaohui,Wu, Yijin,et al. Magnetic polydopamine decorated with Mg-Al LDH nanoflakes as a novel bio-based adsorbent for simultaneous removal of potentially toxic metals and anionic dyes[J]. JOURNAL OF MATERIALS CHEMISTRY A,2016,4(5):1737-1746.
APA	Li, Jie.,Fan, Qiaohui.,Wu, Yijin.,Wang, Xiangxue.,Chen, Changlun.,...&Wang, Xiangke.(2016).Magnetic polydopamine decorated with Mg-Al LDH nanoflakes as a novel bio-based adsorbent for simultaneous removal of potentially toxic metals and anionic dyes.JOURNAL OF MATERIALS CHEMISTRY A,4(5),1737-1746.
MLA	Li, Jie,et al."Magnetic polydopamine decorated with Mg-Al LDH nanoflakes as a novel bio-based adsorbent for simultaneous removal of potentially toxic metals and anionic dyes".JOURNAL OF MATERIALS CHEMISTRY A 4.5(2016):1737-1746.