Fabrication of PET/PAN/GO/Fe3O4 nanofibrous membrane for the removal of Pb(II) and Cr(VI) ions

被引：91

作者：

Koushkbaghi, Shahnaz ^{[1
]}

Jafari, Pooya ^{[2
]}

Rabiei, Jafar ^{[3
]}

Irani, Mohammad ^{[3
]}

Aliabadi, Majid ^{[4
]}

机构：

[1] Islamic Azad Univ, Sci & Res Branch, Yazd, Iran

[2] Univ Houston, Dept Civil & Environm Engn, 4800 Calhoun, Houston, TX 77204 USA

[3] Amirkabir Univ Technol, Dept Chem Engn, Tehran, Iran

[4] Islamic Azad Univ, Dept Chem Engn, Birjand Branch, Birjand, Iran

来源：

CHEMICAL ENGINEERING JOURNAL | 2016年 / 301卷

关键词：

PET/PAN/GO/Fe3O4; Nanofibers; Electrospinning; Membrane filtration; Adsorption; Reusability; AQUEOUS-SOLUTIONS; CHROMIUM REMOVAL; METAL-IONS; ADSORPTION; COMPOSITE; ADSORBENT; LEAD; MAT; RECOVERY; SORPTION;

D O I：

10.1016/j.cej.2016.04.076

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The performance of PET/PAN/GO/Fe3O4 nanofibrous membrane was investigated for Pb(II) and Cr(VI) ions removing in both bath and membrane systems. The structure and morphology of PET/PAN/GO/Fe3O4 nanofibrous membrane were determined using XRD, FTIR and SEM analysis. The influences of pH, metal ions concentration and operation time on the transport properties of PET/PAN/GO/Fe3O4 nanofibrous membranes were studied in the membrane process. The separation capability of the PET/PAN/GO/Fe3O4 nanofibrous membrane containing GO/Fe3O4 5 wt.% was maximum for both Pb(II) and Cr(VI). ions removing. The kinetic, isotherm and thermodynamic parameters for Pb(II) and Cr(VI) ions sorption using PAN/GO/Fe3O4 5 wt.% nanofibers were also investigated. The sorption data of metal ions onto the PAN/GO/Fe3O4 5 wt.% nanofibers were best described by pseudo-second-order and Redlich-Peterson models. The endothermic and spontaneous nature of Pb(II) and Cr(VI) ions sorption using PAN/GO/Fe3O4 5 wt.% nanofibers was obtained by investigation of thermodynamic parameters. The reusability of PAN/GO/Fe3O4 nanofibers were carried out for five sorption-desorption cycles. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：42 / 50

页数：9

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