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ANOVA Design for the Optimization of TiO2 Coating on Polyether Sulfone Membranes

1
College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
2
Department of Biotechnology, Faculty of Advanced Sciences and Technologies, University of Isfahan, Isfahan 73441-81746, Iran
3
UNESCO Centre for Membrane Science and Technology, School of Chemical Science and Engineering, University of New South Wales, Sydney 2052, Australia
*
Author to whom correspondence should be addressed.
Molecules 2019, 24(16), 2924; https://doi.org/10.3390/molecules24162924
Received: 30 June 2019 / Revised: 17 July 2019 / Accepted: 26 July 2019 / Published: 12 August 2019
PDF [1122 KB, uploaded 12 August 2019]
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Abstract

There have been developments in the optimization of polyether sulfone (PES) membranes, to provide antifouling and mechanically stable surfaces which are vital to water purification applications. There is a variety of approaches to prepare nanocomposite PES membranes. However, an optimized condition for making such membranes is in high demand. Using experimental design and statistical analysis (one-half fractional factorial design), this study investigates the effect of different parameters featured in the fabrication of membranes, as well as on the performance of a nanocomposite PES/TiO2 membrane. The optimized parameters obtained in this study are: exposure time of 60 s, immersion time above 10 h, glycerol time of 4 h, and a nonsolvent volumetric ratio (isopropanol/water) of 30/70 for PES and dimethylacetamide (PES-DMAc) membrane and 70/30 for PES and N-methyl-2-pyrrolidone (PES-NMP) membrane. A comparison of the contributory factors for different templating agents along with a nanocomposite membrane control, revealed that F127 triblock copolymer resulted in an excellent antifouling membrane with a higher bovine serum albumin rejection and flux recovery of 83.33%.
Keywords: nanocomposite membrane; ANOVA analysis; polyether sulfone; antifouling; coating nanocomposite membrane; ANOVA analysis; polyether sulfone; antifouling; coating
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Orooji, Y.; Ghasali, E.; Emami, N.; Noorisafa, F.; Razmjou, A. ANOVA Design for the Optimization of TiO2 Coating on Polyether Sulfone Membranes. Molecules 2019, 24, 2924.

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