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Cr(VI) Reduction and Immobilization by Core-Double-Shell Structured Magnetic Polydopamine@Zeolitic Idazolate Frameworks-8 Microspheres
Zhu, Kairuo1,2; Chen, Changlun1,2,3; Xu, Huan1; Gao, Yang1; Tan, Xiaoli1; Alsaedi, Ahmed3; Hayat, Tasawar3,4
2017-08-01
Source PublicationACS SUSTAINABLE CHEMISTRY & ENGINEERING
Volume5Issue:8Pages:6795-6802
AbstractA 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.
SubtypeArticle
KeywordMp@zif-8 Hydrid Microsphere Cr(Vi) Adsorption Reduction
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
Funding OrganizationNational 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 ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; 21377132 ; 21377132 ; U1607102) ; U1607102) ; 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 ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; 21377132 ; 21377132 ; U1607102) ; U1607102)
DOI10.1021/acssuschemeng.7b01036
WOS KeywordGRAPHENE OXIDE NANOSHEETS ; METAL-ORGANIC FRAMEWORK ; IMIDAZOLATE FRAMEWORK-8 ; AQUEOUS-SOLUTION ; COMPOSITE MICROSPHERES ; HEXAVALENT CHROMIUM ; HIGH-PERFORMANCE ; HIGH-EFFICIENCY ; HUMIC-ACID ; REMOVAL
Indexed BySCI
Language英语
Funding OrganizationNational 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 ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; 21377132 ; 21377132 ; U1607102) ; U1607102) ; 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 ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; 21377132 ; 21377132 ; U1607102) ; U1607102)
WOS Research AreaChemistry ; Engineering
WOS SubjectChemistry, Multidisciplinary ; Engineering, Chemical
WOS IDWOS:000407410900049
Citation statistics
Cited Times:42[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.hfcas.ac.cn:8080/handle/334002/33659
Collection中科院等离子体物理研究所
Affiliation1.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
Recommended Citation
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.
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