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The Concentration of Magnolia Aroma Model Solution Using Pervaporation and Preparation of PVDF/PDMS Composite Membranes  

Lee, Yong-Taek (College of Environment and Applied Chemistry, Chemical Engineering & Advanced Materials Engineering, Kyung Hee University)
Park, Joong-Won (College of Environment and Applied Chemistry, Chemical Engineering & Advanced Materials Engineering, Kyung Hee University)
Shin, Dong-Ho (College of Environment and Applied Chemistry, Chemical Engineering & Advanced Materials Engineering, Kyung Hee University)
Publication Information
Membrane Journal / v.17, no.1, 2007 , pp. 14-22 More about this Journal
Abstract
This is the research about the concentration of trace Magnolia flavor components in water by pervaporation. We have investigated the change of selectivity depending on support membrane structure and active layer thickness using prepared PVDF/PDMS composite membrane. Through the pure water flux test for PVDF support membrane, we could indirectly confirm that as the coagulation temperature decreases and the polymer concentration increases, the surface porosity and pore diameter decreases. Appling these results to transport mechanism, we could explain the effect of support membrane structure for the composite membrane. The selectivity increases as the thickness of PDMS active layer increases. We could know that there is a limitation to describe the transport on the active layer by Fick's law through these results.
Keywords
Magnolia flavor; pervaporation; concentration; PVDF/PDMS composite membrane; selectivity;
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Times Cited By KSCI : 1  (Citation Analysis)
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