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http://dx.doi.org/10.14579/MEMBRANE_JOURNAL.2014.24.2.151

Preparation of PAN Nanofiber Composite Membrane with $Fe_3O_4$ Functionalized Graphene Oxide and its Application as a Water Treatment Membrane  

Jang, Wongi (Department of Chemical System Engineering, Keimyung University)
Yun, Jaehan (Department of Chemical System Engineering, Keimyung University)
Byun, Hongsik (Department of Chemical System Engineering, Keimyung University)
Publication Information
Membrane Journal / v.24, no.2, 2014 , pp. 151-157 More about this Journal
Abstract
In this study, the nanofiber composite membrane was prepared by electrospinning method with poly (ancrylonitrile) (PAN) and a dispersed solution of graphene oxide (GO) and $Fe_3O_4$ functionalized graphene oxide (M-GO) in dimethyl formamide (DMF). The pore-diameter of prepared membranes was controlled by change of those layers. It was confirmed with SEM that the nanofiber composite membranes having fiber size of 500 nm were prepared. It was found with Raman spectroscopy and EDS that GO and M-GO were well dispersed on those membranes. Final nanofiber composite membrane showed the similar pore properties ($0.21{\sim}0.24{\mu}m$/pore-size, 40% porosity) with the commercial membrane ($0.27{\mu}m$/pore-size, 55% porosity) and their water-flux results also showed the 200% higher flux than its PAN membrane. From these results, it was expected that the nanofiber composite membrane prepared by electrospinning method could be utilized as a water-treatment membrane.
Keywords
Water-treatment; Polyacrylonitrile; Electrospinning method; Graphene oxide; Functionalized graphene oxide;
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Times Cited By KSCI : 2  (Citation Analysis)
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