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Pore Structure and Separation Properties of Thin Film Composite Forward Osmosis Membrane with Different Support Structures  

Ahn, Soo-Hyun (Research Center for Biobased Chemistry, Korea Research Institute of Chemical Technology)
Kim, In-Chul (Research Center for Biobased Chemistry, Korea Research Institute of Chemical Technology)
Song, Doo-Hyun (Research Center for Biobased Chemistry, Korea Research Institute of Chemical Technology)
Jegal, Jonggeon (Research Center for Biobased Chemistry, Korea Research Institute of Chemical Technology)
Kwon, Young-Nam (School of Urban & Environmental Engineering, Ulsan National Institute of Science and Technology (UNIST))
Rhee, Hee-Woo (Department of Chemical and Biomolecular Engineering, Sogang University)
Publication Information
Membrane Journal / v.23, no.3, 2013 , pp. 251-256 More about this Journal
Abstract
In this study, acetylated methyl cellulose (AMC) was successfully used as a support layer of thin film composite (TFC) forward osmosis (FO) membrane. A selective polyamide active layer, interfacially polymerized, was coated on top of various substrate layers. The structure and performance of the TFC FO membrane based on the AMC substrate were compared with those of TFC FO membranes with different polymeric support layers. The experimental results showed that the AMC FO membrane performance was better than other FO membranes due to its characteristic morphology and lower back diffusion rate of salts.
Keywords
acetylated methyl cellulose; thin film composite; forward osmosis;
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