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http://dx.doi.org/10.9713/kcer.2013.51.5.580

Preparation of Organic/Inorganic Siloxane Composite Membranes and Concentration of n-butanol from ABE Solution by Pervaporation  

Jee, Ki Yong (Department of Chemical Engineering, College of Engineering, Kyung Hee University)
Lee, Yong Taek (Department of Chemical Engineering, College of Engineering, Kyung Hee University)
Publication Information
Korean Chemical Engineering Research / v.51, no.5, 2013 , pp. 580-586 More about this Journal
Abstract
In this paper, polymer composite membranes and ceramic composite membranes were prepared in order to compare differences in pervaporation performances relative to the support layers. PVDF was used for the polymer support layers, and $a-Al_2O_3$ was used for the ceramic support layers. For active layer was coated for PDMS, which is a rubbery polymer. The characterization of membranes were analysed by SEM, contact angle, and XPS. We studied performances relative to the composite membrane support layers in the ABE mixture solutions. The results of the pervaporation, the flux of the ceramic composite membrane was shown to be $250.87g/m^2h$, which was higher than that of polymer composite membranes, at $195.64g/m^2h$. However, it was determined that the separation factor of the polymer composite membranes was 31.98 which were higher than that of the ceramic composite membranes, at 20.66.
Keywords
Organic-inorganic Composite Membrane; Pervaporation; ABE Fermentation; Butanol Concentration; Polydimethoxysilane;
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Times Cited By KSCI : 1  (Citation Analysis)
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