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Pervaporation Separation of Water-Ethanol Mixture Using Crosslinked PVA/PSSA_MA/TEOS Hybrid Membranes  

Rhim, Ji-Won (College of Life Science & Nano Technology, Department of Chemical Engineering & Nano-Bio Technology, Hannam University)
Lee, Byung-Seong (College of Life Science & Nano Technology, Department of Chemical Engineering & Nano-Bio Technology, Hannam University)
Kim, Dae-Hoon (College of Life Science & Nano Technology, Department of Chemical Engineering & Nano-Bio Technology, Hannam University)
Yoon, Seok-Won (Korea Electric Power Research Institute)
Im, Hyeon-Soo (Korea Electric Power Research Institute)
Moon, Go-Young (Industrial Materials, Research Park, LG Chem. Ltd., Science Town)
Nam, Sang-Yong (School of Materials Science and Engineering, Engineering Research Institute, i-Cube Center, Gyeongsang National University)
Publication Information
Membrane Journal / v.18, no.1, 2008 , pp. 44-52 More about this Journal
Abstract
Pervaporation separation for water-ethanol mixtures has been carried out using crosslinked poly(vinyl alcohol) (PVA) membranes with poly(styrene sulfonic acid-co-maleic acid) (PSSA_MA) and at which tetraethylorthosilicate (TEOS) was introduced. The concentration of PSSA_MA was fixed 7 wt% over PVA and the TEOS contents, 3, 5, and 7 wt%, were varied against PVA. The composition of the feed mixtures were 10, 20, 30 and 50 wt% of water in it. PVA/PSSA_MA/5 wt% TEOS membrane showed the separation factor, 1730 and the permeability, $16.3g/m^2{\cdot}hr$ for water : ethanol = 10 : 90 at $50^{\circ}C$.
Keywords
pervaporation; water-ethanol mixture; poly(vinyl alcohol); poly(styrene sulfonic acid-co-maleic acid); tetraethylorthosilicate; TEOS;
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Times Cited By KSCI : 7  (Citation Analysis)
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