Cr(VI) Reduction and Immobilization by Core-Double-Shell Structured Magnetic Polydopamine@Zeolitic Idazolate Frameworks-8 Microspheres

doi:10.1021/acssuschemeng.7b01036

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

	Cr(VI) Reduction and Immobilization by Core-Double-Shell Structured Magnetic Polydopamine@Zeolitic Idazolate Frameworks-8 Microspheres
	Zhu, Kairuo 1,2; Chen, Changlun 1,2,3; Xu, Huan 1; Gao, Yang 1; Tan, Xiaoli 1; Alsaedi, Ahmed 3; Hayat, Tasawar 3,4
刊名	ACS SUSTAINABLE CHEMISTRY & ENGINEERING
	2017-08-01
卷号	5 期号:8 页码:6795-6802
关键词	Mp@zif-8 Hydrid Microsphere Cr(Vi) Adsorption Reduction
DOI	10.1021/acssuschemeng.7b01036
文献子类	Article
英文摘要	A well-defined core-double-shell structured magnetic polydopamine@zeolitic idazolate frameworks-8 (MP@ZIF-8) hydrid microsphere consisting of the core of magnetic Fe3O4 nanoparticles, the inner shell of a polydopamine layer, and the outer shell of a porous ZIF-8 nanocrystal was prepared through a facile and green approach to achieve synergistic reduction and adsorptive removal of Cr(VI). The microsphere property was characterized methodically. The batch adsorption experiments showed that the MP@ZIF-8 exhibited high efficiency in the Cr(VI) removal from aqueous solutions, affording Cr(VI) removal capacity of 136.56 mg g(-1), surpassing pristine MP (92.27 mg g(-1)). The pseudo-second-order model fitted the Cr(VI) removal kinetics well. Cr(VI) removal on the MP@ZIF-8 relied highly on pH values. More significantly, with the reduction of nitrogen atom group on ZIF-8 and PDA, Cr(VI) was easily converted into low toxicity Cr(III) and then immobilized on the MP@ZIF-8. Thus, the hybrid microspheres provided excellent adsorptive activity in treating Cr-contaminated wastewater.
WOS关键词	GRAPHENE OXIDE NANOSHEETS ; METAL-ORGANIC FRAMEWORK ; IMIDAZOLATE FRAMEWORK-8 ; AQUEOUS-SOLUTION ; COMPOSITE MICROSPHERES ; HEXAVALENT CHROMIUM ; HIGH-PERFORMANCE ; HIGH-EFFICIENCY ; HUMIC-ACID ; REMOVAL
WOS研究方向	Chemistry ; Engineering
语种	英语
WOS记录号	WOS:000407410900049
资助机构	National Natural Science Foundation of China(21477133 ; National Natural Science Foundation of China(21477133 ; National Natural Science Foundation of China(21477133 ; National Natural Science Foundation of China(21477133 ; National Natural Science Foundation of China(21477133 ; National Natural Science Foundation of China(21477133 ; National Natural Science Foundation of China(21477133 ; National Natural Science Foundation of China(21477133 ; National Natural Science Foundation of China(21477133 ; National Natural Science Foundation of China(21477133 ; National Natural Science Foundation of China(21477133 ; National Natural Science Foundation of China(21477133 ; National Natural Science Foundation of China(21477133 ; National Natural Science Foundation of China(21477133 ; National Natural Science Foundation of China(21477133 ; National Natural Science Foundation of China(21477133 ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; 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内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/33659]
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.Chinese Acad Sci, Inst Plasma Phys, POB 1126, Hefei 230031, Anhui, Peoples R China 2.Soochow Univ, Jiangsu Higher Educ Inst, Collaborat Innovat Ctr Radiat Med, Suzhou 215123, Peoples R China 3.King Abdulaziz Univ, 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	Zhu, Kairuo,Chen, Changlun,Xu, Huan,et al. Cr(VI) Reduction and Immobilization by Core-Double-Shell Structured Magnetic Polydopamine@Zeolitic Idazolate Frameworks-8 Microspheres[J]. ACS SUSTAINABLE CHEMISTRY & ENGINEERING,2017,5(8):6795-6802.
APA	Zhu, Kairuo.,Chen, Changlun.,Xu, Huan.,Gao, Yang.,Tan, Xiaoli.,...&Hayat, Tasawar.(2017).Cr(VI) Reduction and Immobilization by Core-Double-Shell Structured Magnetic Polydopamine@Zeolitic Idazolate Frameworks-8 Microspheres.ACS SUSTAINABLE CHEMISTRY & ENGINEERING,5(8),6795-6802.
MLA	Zhu, Kairuo,et al."Cr(VI) Reduction and Immobilization by Core-Double-Shell Structured Magnetic Polydopamine@Zeolitic Idazolate Frameworks-8 Microspheres".ACS SUSTAINABLE CHEMISTRY & ENGINEERING 5.8(2017):6795-6802.