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Open AccessArticle

High-Performance TiO2 Nanotubes/Poly(aryl ether sulfone) Hybrid Self-Cleaning Anti-Fouling Ultrafiltration Membranes

1
College of Environment, Research Centre for Municipal Wastewater Treatment and Water Quality Protection, Northeast Normal University, Changchun 130117, China
2
School of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Changchun 130022, China
3
College of Ecology and Resources Engineering, Wuyi University, Wuyishan 354300, China
*
Author to whom correspondence should be addressed.
Polymers 2019, 11(3), 555; https://doi.org/10.3390/polym11030555
Received: 11 February 2019 / Revised: 10 March 2019 / Accepted: 21 March 2019 / Published: 23 March 2019
(This article belongs to the Special Issue Polymeric Thin Films and Membranes)
A series of novel self-cleaning hybrid photocatalytic ultrafiltration (UF) membranes were fabricated to separate polyacrylamide, which is widely used as a commercial flocculant. To maximize the self-cleaning and anti-fouling properties of hybrid membranes, high surface area TiO2 nanotubes (TNTs) with excellent photocatalytic activity were homogeneously introduced into a poly(aryl ether sulfone) matrix by chemical bonds. The chemical structure, micromorphology, hydrophilicity, separation efficiency, fouling behavior, and self-cleaning property of the prepared hybrid membranes were well characterized and evaluated. For the optimal sample, the flux recovery ratio increased from ~40% to ~80% after simulated sunlight irradiation for 20 min, which was attributable to the homogeneous dispersion and efficient photocatalytic degradation ability of TNTs. Furthermore, the intelligent fabrication strategy enhanced the anti-aging ability of the hybrid membranes via the use of a fluorine-containing poly matrix. This work provided new insight into the fabrication of high-performance self-cleaning inorganic/organic hybrid membranes. View Full-Text
Keywords: poly(aryl ether sulfone); self-cleaning; ultrafiltration; photocatalytic; titanium dioxide nanotubes poly(aryl ether sulfone); self-cleaning; ultrafiltration; photocatalytic; titanium dioxide nanotubes
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MDPI and ACS Style

Geng, Z.; Wang, X.; Jiang, H.; Zhang, L.; Chen, Z.; Feng, Y.; Geng, W.; Yang, X.; Huo, M.; Sun, J. High-Performance TiO2 Nanotubes/Poly(aryl ether sulfone) Hybrid Self-Cleaning Anti-Fouling Ultrafiltration Membranes. Polymers 2019, 11, 555. https://doi.org/10.3390/polym11030555

AMA Style

Geng Z, Wang X, Jiang H, Zhang L, Chen Z, Feng Y, Geng W, Yang X, Huo M, Sun J. High-Performance TiO2 Nanotubes/Poly(aryl ether sulfone) Hybrid Self-Cleaning Anti-Fouling Ultrafiltration Membranes. Polymers. 2019; 11(3):555. https://doi.org/10.3390/polym11030555

Chicago/Turabian Style

Geng, Zhi; Wang, Xinyu; Jiang, Hongchuan; Zhang, Leilei; Chen, Zhiting; Feng, Yong; Geng, Wenzhe; Yang, Xia; Huo, Mingxin; Sun, Jing. 2019. "High-Performance TiO2 Nanotubes/Poly(aryl ether sulfone) Hybrid Self-Cleaning Anti-Fouling Ultrafiltration Membranes" Polymers 11, no. 3: 555. https://doi.org/10.3390/polym11030555

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