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|Title:||Carbon–silica composite nanofiber membrane for high flux separation of water-in-oil emulsion – Performance study and fouling mechanism||Authors:||Tai, Ming Hang
Leckie, James O.
Sun, Darren Delai
|Keywords:||DRNTU::Engineering::Environmental engineering::Water treatment
Electrospinning; Carbon nanofiber; Superoleophilicity; Membrane; Oil–water separation
|Issue Date:||2015||Source:||Tai, M. H., Juay, J., Sun, D. D., & Leckie, J. O. (2015). Carbon–silica composite nanofiber membrane for high flux separation of water-in-oil emulsion – Performance study and fouling mechanism. Separation and Purification Technology, in press.||Series/Report no.:||Separation and Purification Technology||Abstract:||A flexible, hydrophobic and oleophilic carbon nanofiber membrane was prepared from electrospinning for cross-flow filtration of water-in-oil emulsion under various operating conditions. Experimental results show that the membrane has a high throughput of clean oil at low pressure. Furthermore, the membrane performance in terms of permeate flux was governed by the operating pressure and cross-flow velocity. The membrane has a water breakthrough pressure of 0.206 bar under constant cross-flow velocity. The investigation of membrane fouling mechanisms using pore blocking models and resistance model reveals that the membrane experiences either of external or internal fouling or a combination of both under different operating conditions. Using the contour plot analysis, it was suggested that the optimum operating conditions for the membrane to perform efficiently shall be at high cross-flow velocity and at low pressure (between 0.07 and 0.206 bar). Keywords: Electrospinning; Carbon nanofiber; Superoleophilicity; Membrane; Oil–water separation||URI:||https://hdl.handle.net/10356/80871
|ISSN:||1383-5866||DOI:||10.1016/j.seppur.2015.08.008||Rights:||© 2015 Elsevier. This is the author created version of a work that has been peer reviewed and accepted for publication by Separation and Purification Technology, Elsevier. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [http://dx.doi.org/10.1016/j.seppur.2015.08.008].||Fulltext Permission:||open||Fulltext Availability:||With Fulltext|
|Appears in Collections:||CEE Journal Articles|
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