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Membranes 2018, 8(1), 14;

Preparation and Characterization of TiO2/g-C3N4/PVDF Composite Membrane with Enhanced Physical Properties

School of Environmental Engineering, Nanjing Institute of Technology, Nanjing 211167, China
Jiangsu Huijin Environmental Protection Technology Co., Ltd., Wuxi 214241, China
Author to whom correspondence should be addressed.
Received: 11 January 2018 / Revised: 12 February 2018 / Accepted: 14 February 2018 / Published: 5 March 2018
(This article belongs to the Special Issue Composite Membranes: Synthesis and Characterization)
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TiO2/g-C3N4/PVDF composite membranes were prepared by a phase inversion method. A comparison of the performance and morphology was carried out among pure PVDF, g-C3N4/PVDF, TiO2/PVDF and TiO2/g-C3N4/PVDF composite membranes. The results of permeability and instrumental analysis indicated that TiO2 and g-C3N4 organic-inorganic composites obviously changed the performance and structure of the PVDF membranes. The porosity and water content of 0.75TiO2/0.25g-C3N4/PVDF composite membranes were 97.3 and 188.3 L/(m2·h), respectively. The porosity and water content of the 0.75TiO2/0.25g-C3N4 membranes were increased by 20.8% and 27.4%, respectively, compared with that of pure PVDF membranes. This suggested that the combination of organic-inorganic composite with PVDF could remarkably improve UTS, membrane porosity and water content. View Full-Text
Keywords: g-C3N4; PVDF membrane; TiO2; characterization g-C3N4; PVDF membrane; TiO2; characterization

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Wang, H.; Gong, R.; Qian, X. Preparation and Characterization of TiO2/g-C3N4/PVDF Composite Membrane with Enhanced Physical Properties. Membranes 2018, 8, 14.

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