Online ISSN : 1884-6440
Print ISSN : 0385-1036
ISSN-L : 0385-1036
Review Article
Development of Novel Membranes Based on Electro–spun Nanofibers and Their Application in Liquid Filtration, Membrane Distillation and Membrane Adsorption
Matsuura T Feng CKhulbe KCRana DSingh GGopal RKaur SBarhate RSRamakrishna STabe S
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2010 Volume 35 Issue 3 Pages 119-127

Article 1st page

Electro–spinning is known as a simple and versatile method to produce nonwoven membranes made out of nanofibers. A wide range of polymers and blends can be used to yield nanofibers. Commonly used membrane polymers such as cellulose acetate (CA), polysulfone (PSU) and polyvinylidene fluoride (PVDF) have been successfully electro–spun to form nonwoven nanofiber membranes for water filtration. Investigations have revealed that electro-spun nanofibrous membranes (ENMs) possess high–flux rates and low transmembrane pressure. These characteristics are due to its 1) high porosity, 2) interconnected open pore structure and 3) tailorable membrane thickness. Although electro–spun membranes have been extensively studied for decades and successfully commercialized as air filtration membrane, they have not been applied for water treatment. This article is a summary of the collaborative work conducted recently at the Industrial Membrane Research Laboratory of the University of Ottawa and at the Nanoscience & Nanotechnology Initiative of the National University of Singapore for the following investigations. a. Removal of latex particles from water by PVDF nanofiber membranes b. Development of nanofiber based thin film composite (TFC) membranes for nanofiltration c. Seawater desalination by membrane distillation using PVDF nanofiber membranes d. Trihalomethanes (THMs) and haloacetic acids (HAAs) removal by carbonized polyacrylnitrile (PAN) nanofiber membranes

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