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Membranes 2018, 8(3), 66; https://doi.org/10.3390/membranes8030066

TiO2 Polyamide Thin Film Nanocomposite Reverses Osmosis Membrane for Water Desalination

Department of Chemical Engineering, University of Missouri, Columbia, MO 65211, USA
Received: 21 July 2018 / Revised: 9 August 2018 / Accepted: 13 August 2018 / Published: 17 August 2018
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Abstract

In this study, TiO2 nanoparticles were inserted into the polyamide layer of traditional thin film composite membrane. The nanoparticles were dispersed in a trimesoyl chloride-hexane solution before interfacial polymerization with m-phenylenediamine-aqueous solution. Membrane characterization was performed via contact angle measurements, atomic force microscopy (AFM), scanning electron microscopy (SEM), and water flux, salt rejection, and fouling resistance evaluation. The results indicate that TiO2 could effectively improve membrane performance. Water flux increased from 40 to 65 L/m² h by increasing NPs concentration from 0 to 0.1 wt. %, while NaCl rejection was above 96%. Moreover, the modified membrane demonstrated better organic fouling resistance and robust antibacterial efficiency. View Full-Text
Keywords: nanoparticles (NPs); thin film nanocomposite (TFN); reverse osmosis (RO); interfacial polymerization (IP) nanoparticles (NPs); thin film nanocomposite (TFN); reverse osmosis (RO); interfacial polymerization (IP)
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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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Al Mayyahi, A. TiO2 Polyamide Thin Film Nanocomposite Reverses Osmosis Membrane for Water Desalination. Membranes 2018, 8, 66.

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