Development of titanium dioxide incorporated ultrathin cellulose acetate membrane for enhanced forward osmosis performance

This study was conducted to develop ultrathin forward osmosis (FO) membrane by phase inversion process. Hydrophilic cellulose acetate (CA) polymer and titanium dioxide (TiO 2 ) nanoparticles were used to form a highly water permeable and stable FO membrane. The physical characteristics of prepared n...

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Veröffentlicht in:Nanotechnology for environmental engineering 2021-12, Vol.6 (3), Article 67
Hauptverfasser: Jain, Harshita, Dhupper, Renu, Verma, Anoop Kumar, Garg, Manoj Chandra
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creator Jain, Harshita
Dhupper, Renu
Verma, Anoop Kumar
Garg, Manoj Chandra
description This study was conducted to develop ultrathin forward osmosis (FO) membrane by phase inversion process. Hydrophilic cellulose acetate (CA) polymer and titanium dioxide (TiO 2 ) nanoparticles were used to form a highly water permeable and stable FO membrane. The physical characteristics of prepared nanomaterial and membrane were characterized by scanning electron microscopy, elemental mapping and x-ray diffraction. The FO performance of the developed membrane was evaluated in terms of pure osmotic water flux and reverse salt flux. A consistent water flux was observed during a long-term experiment with the help of the fabricated membrane. Average water flux of 33.63 L/m 2 /h and reverse salt flux of 10.34 g/m 2 /h were achieved due to extensive hydrogen bonding between cellulose ester and titania particles. The resultant membrane was found to be highly efficient in terms of FO performance and can be utilized for efficient desalinization of water.
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subjects Acetic acid
Cellulose acetate
Cellulose acetate membranes
Cellulose esters
Desalination
Earth and Environmental Science
Earth Sciences
Environment
Environmental Science and Engineering
Fluctuations
Hydrogen bonding
Membranes
Nanomaterials
Nanoparticles
Nanotechnology and Microengineering
Original Paper
Osmosis
Physical characteristics
Physical properties
Polymers
Scanning electron microscopy
Titanium
Titanium dioxide
X-ray diffraction
title Development of titanium dioxide incorporated ultrathin cellulose acetate membrane for enhanced forward osmosis performance
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