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Membranes 2018, 8(1), 14; https://doi.org/10.3390/membranes8010014

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

1
School of Environmental Engineering, Nanjing Institute of Technology, Nanjing 211167, China
2
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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Abstract

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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