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Fabrication of Core-Shell CMNP@PmPD Nanocomposite for Efficient As(V) Adsorption and Reduction

文献类型：期刊论文

作者Wu, Jin1,2; Zhu, Hongshan2; Liu, Ge2; Tan, Liqiang2; Hu, Xiaoye3; Chen, Changlun2,5; Alharbi, Njud S.5; Hayat, Tasawar6; Tan, Xiaoli2,4
刊名ACS SUSTAINABLE CHEMISTRY & ENGINEERING
出版日期2017-05-01
卷号5期号:5页码:4399-4407
关键词Core-shell Nanocomposite Poly(M-phenylenediamine) Fe3o4 Microspheres As(v) Adsorption And Reduction
DOI10.1021/acssuschemeng.7b00468
文献子类Article
英文摘要Here, we prepared novel carboxyl-functionalized Fe3O4 nanoparticles (CMNPs) coated with poly(m-phenylenediamine) (CMNP@PmPDs) without complicated premodification procedures. The CMNP@PmPDs show well-defined core shell structures and combine both the facile separation properties of magnetic particles and the extraordinary adsorption performance of polymers. The CMNP@PmPDs were employed to investigate the influence of various environmental factors (initial pH, ionic strength, etc.) on the removal of As(V) through batch experiments. The CMNP@PmPDs display much better As(V) adsorption performance than the CMNPs, and the adsorption capacity is enhanced from 51.2 mg g(-1) to 95.2 mg g(-1). The CMNP@PmPDs exhibit high magnetization (similar to 46.7 emu g(-1)), indicating their easy separation under an external magnetic field in practical applications. The major reaction pathway involving the reduction of As(V) to As(III) was identified by X-ray photoelectron spectroscopy (XPS) analysis. The removal mechanisms can be explained by the adsorption of As(V) on protonated imino and carboxyl groups via electrostatic attraction, which is then reduced to As(III) by amine groups. This study demonstrates the potential application of CMNP@PmPDs as a low-cost and effective remediation strategy for the removal of As(V) from wastewater.
WOS关键词REDUCED GRAPHENE OXIDES ; ARSENIC REMOVAL ; AQUEOUS-SOLUTIONS ; POLY(M-PHENYLENEDIAMINE) PARTICLES ; FACILE SYNTHESIS ; CR(VI) REMOVAL ; WATER SAMPLES ; LEAD IONS ; ADSORBENTS ; COMPOSITE
WOS研究方向Chemistry ; Engineering
语种英语
WOS记录号WOS:000400634900093
资助机构National Natural Science Foundation of China(21377132 ; National Natural Science Foundation of China(21377132 ; National Natural Science Foundation of China(21377132 ; National Natural Science Foundation of China(21377132 ; National Natural Science Foundation of China(21377132 ; National Natural Science Foundation of China(21377132 ; National Natural Science Foundation of China(21377132 ; National Natural Science Foundation of China(21377132 ; National Natural Science Foundation of China(21377132 ; National Natural Science Foundation of China(21377132 ; National Natural Science Foundation of China(21377132 ; National Natural Science Foundation of China(21377132 ; National Natural Science Foundation of China(21377132 ; National Natural Science Foundation of China(21377132 ; National Natural Science Foundation of China(21377132 ; National Natural Science Foundation of China(21377132 ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; 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源URL[http://ir.hfcas.ac.cn:8080/handle/334002/33500]  
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.Hefei Univ Technol, Sch Resources & Environm Engn, 193 Tunxi Rd, Hefei 230009, Anhui, Peoples R China
2.Chinese Acad Sci, Inst Plasma Phys, POB 1126, Hefei 230031, Anhui, Peoples R China
3.Chinese Acad Sci, Inst Solid States Phys, POB 1129,350 Shushanhu Rd, Hefei 230031, Anhui, Peoples R China
4.Soochow Univ, Collaborat Innovat Ctr Radiat Med Jiangsu Higher, Suzhou 215123, Jiangsu, Peoples R China
5.King Abdulaziz Univ, Dept Biol Sci, Fac Sci, Jeddah 21589, Saudi Arabia
6.King Abdulaziz Univ, NAAM Res Grp, Jeddah 21589, Saudi Arabia
推荐引用方式
GB/T 7714		 Wu, Jin,Zhu, Hongshan,Liu, Ge,et al. Fabrication of Core-Shell CMNP@PmPD Nanocomposite for Efficient As(V) Adsorption and Reduction[J]. ACS SUSTAINABLE CHEMISTRY & ENGINEERING,2017,5(5):4399-4407.
APA Wu, Jin.,Zhu, Hongshan.,Liu, Ge.,Tan, Liqiang.,Hu, Xiaoye.,...&Tan, Xiaoli.(2017).Fabrication of Core-Shell CMNP@PmPD Nanocomposite for Efficient As(V) Adsorption and Reduction.ACS SUSTAINABLE CHEMISTRY & ENGINEERING,5(5),4399-4407.
MLA Wu, Jin,et al."Fabrication of Core-Shell CMNP@PmPD Nanocomposite for Efficient As(V) Adsorption and Reduction".ACS SUSTAINABLE CHEMISTRY & ENGINEERING 5.5(2017):4399-4407.

入库方式： OAI收割

来源：合肥物质科学研究院

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