Fabrication of acrylamide decorated superhydrophilic and underwater superoleophobic poly(vinylidene fluoride) membranes for oil/water emulsion separation

被引：29

作者：

Liu, Siwei ^{[1
]}

Zhou, Zhiping ^{[1
]}

Zhou, Shi ^{[2
]}

Cui, Jiuyun ^{[1
]}

Wang, Qingqing ^{[3
]}

Zhang, Yufeng ^{[1
]}

Lang, Jihui ^{[4
]}

Yan, Yongsheng ^{[3
]}

机构：

[1] Jiangsu Univ, Sch Mat Sci & Engn, Zhenjiang 212013, Jiangsu, Peoples R China

[2] Jiangsu Chengxiang New Mat Technol Co Ltd, Shanghai, Peoples R China

[3] Jiangsu Univ, Sch Chem & Chem Engn, Inst Green Chem & Chem Technol, Zhenjiang 212013, Jiangsu, Peoples R China

[4] Jilin Normal Ugnivers, Coll Phys, Siping 136000, Peoples R China

来源：

JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS | 2019年 / 95卷

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

Oil/water separation; Superhydrophilic; Underwater superoleophobic; PVDF membrane; High flux; WATER-IN-OIL; PVDF MEMBRANES; SURFACE; TECHNOLOGY; HYDROGEL; POLYMER; SPONGES; MESH;

D O I：

10.1016/j.jtice.2018.07.015

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Here we have successfully fabricated the superhydrophilic and underwater superoleophobic PVDF/ Al2O3/PAM membranes by constructed "needle-shaped" PAM on the PVDF/Al2O3 hybrid membranes surface through ATRP technology. The modified membranes were characterized by the Fourier-transform infrared (FT-IR), X-ray diffraction (XRD) and X-ray photoelectron spectra (XPS) that the AlP has been hydrolyzed to Al2O3 and AM has successfully polymerized on the membrane surface. When the PVDF/Al2O3/PAM membranes were applied in oil/water emulsion separation, the separation efficiencies were more than 99.1% and the maximum flux of the emulsion was 5874L/ m/(2)/h/bar. In the anti-fouling performance experiment, the flux recovery ration (FRR) of the PVDF/Al2O3 /PAM membranes could still reach 83.46% after eight cycles. Therefore, the PVDF/Al2O3/PAM membranes have high separation efficiency and high flux performance for separating oil-water emulsions, and steadily anti-oil performance is suitable for practical applications. (C) 2018 Published by Elsevier B.V. on behalf of Taiwan Institute of Chemical Engineers.

引用

页码：300 / 307

页数：8

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