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Pervaporation Separation of Water/Ethanol Mixture Using PVA/PSSA-MA Ion Exchange Membranes  

Rhim Ji-Won (Department of Chemical Engineering, Hannam Unversity)
Cho Hyun-Il (Department of Chemical Engineering, Hannam Unversity)
Seo Moo-Young (Department of Chemical Engineering, Hannam Unversity)
Kim Dae-Hoon (Department of Chemical Engineering, Hannam Unversity)
Park In-Cheul (Department of Chemical Engineering, Hannam Unversity)
Nam Sang-Yong (Department of Polymer Science and Engineering, Engineering Research Institute)
Publication Information
Membrane Journal / v.16, no.3, 2006 , pp. 235-239 More about this Journal
Abstract
This study illustrated the results of pervaporation separation using crosslinked poly(vinyl alcohol) (PVA) with poly(styrene sulfonic acid-co-maleic acid) (PSSA-MA) for water-ethanol system at 25, 35, and $45^{\circ}C$. The contents of the crosslinking agents were 7, 9, and ll wt% against PVA and the feed compositions of 50, 20, 10 and 4.4% in water were investigated. Typical trends of permeability and separation factor in pervaporation were observed for both the crosslinking agents and operating temperatures. For water : ethanol = 10 : 90, and at $45^{\circ}C$, PSSA-MA 11 wt% membrane showed the permeability $58.92g/m^2{\cdot}hr$ and the separation factor 12003 respectively.
Keywords
poly(vinyl alcohol); poly(styrene sulfonic acid-co-maleic acid); pervaporation; ethanol; separation factor;
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