Nanofiber: Applications and Implementation in Advance Water Treatment Techniques

Aijaz, Muhammad Omer; Faiz, Shan; Samad, Ubair Abdus; Al Mubaddel, Fahad S.; Luqman, Mohammad; Alothman, Othman Y.

doi:10.4028/www.scientific.net/AMM.376.97

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Nanofiber: Applications and Implementation in Advance Water Treatment Techniques
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Home Applied Mechanics and Materials Materials and Diverse Technologies in Industry and...Nanofiber: Applications and Implementation in...

Nanofiber: Applications and Implementation in Advance Water Treatment Techniques

Abstract:

The development in the field of nanofibers since last decade has reshaped the sense of polymer synthesis. Its high potential has rendered significant contributions in various advance applications. This featured article presents the nanofiber and its potential applications in various scientific and commercial fields. Moreover, the recent developments in the synthesis of nanofiber membranes for ultra and nano filtration of water are tabulated. Keeping the water scarcity problem in mind, many novel membranes (along with raw polymer and solvents) are discussed which are under research or being implemented for ultra and nanofiltration.

Info:

Periodical:

Applied Mechanics and Materials (Volume 376)

Main Theme:

Materials and Diverse Technologies in Industry and Manufacture

Edited by:

Muhammad Yahaya

Pages:

97-100

DOI:

10.4028/www.scientific.net/AMM.376.97

Citation:

M. O. Aijaz et al., "Nanofiber: Applications and Implementation in Advance Water Treatment Techniques", Applied Mechanics and Materials, Vol. 376, pp. 97-100, 2013

Online since:

August 2013

Authors:

Muhammad Omer Aijaz, Shan Faiz, Ubair Abdus Samad, Fahad S. Al Mubaddel, Mohammad Luqman, Othman Y. Alothman

Keywords:

Nanofiber, Nanofiltration, Ultra Filtration, Water Scarcity

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References

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Paper TitlePages

Organic-Inorganic Nano Composite Membranes of Sulfonated Poly(ether Sulfone-Ketone) Copolymer and SiO₂ for Fuel Cell Application

Authors: Dong Hoon Lee, Hye Suk Park, Dong Wan Seo, Whan Gi Kim

Abstract: Novel bisphenol-based wholly aromatic sulfonated poly(ether sulfone-ketone) copolymer and organic-inorganic composite membranes were prepared for operation 80°C in polymer electrolyte membrane fuel cell (PEMFCs). The copolymer were synthesized by direct aromatic nucleophilic substitution polycondensation of 4,4-difluorobenzophenone, 2,2’-disodiumsulfonyl- 4,4’-fluorophenylsulfone (40mole% of bisphenol A) and bisphenol A. Polymerization proceeded quantitatively to high molecular weight in N-methyl-2-pyrrolidinone at 180°C. Organic-inorganic composite membranes were obtained by mixing organic polymers with hydrophilic SiO2 obtained by sol-gel process. The polymer and a series of composite membranes were studied by FT-IR, 1HNMR, differential scanning calorimetry (DSC) and thermal stability. The proton conductivity as a function of temperature decreased as SiO2 content increased, but methanol permeability decreased. The nano composite membranes were found to poses all requisite properties; Ion exchange capacity (1.2meq./g), glass transition temperatures (164-183), and low affinity towards methanol (4.63-1.08x10-7 cm2/S).

Synthesis, Characterization & Impedance Studies of some New Nano Filtration Membranes

Authors: Mahesh Padaki, Chitrakar Hegde, Arun Mohan Isloor

Abstract: In the recent years membrane technology has gained significant attention from polymer chemists all around the world due to their attractive features such as efficiency, low costs, low energy costs and as effective solutions to longstanding problems in the chemical industries. Membrane technologies have been widely applied in the separation of liquids and even gases. Many separation problems can be solved economically by nanofiltration alone or in combination with other separation processes. This study aimed to synthesize polysulfone based nanofiltration membranes using DIPS (diffusion induced phase separation) technique. Newly synthesized polymer membranes were subjected to Infra red spectral and water uptake studies. Membranes were also characterized using electrochemical spectroscopy for their proton conducting property. Their surface morphology is visualized by SEM.