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Solvent Resistance and Gas Permeation Property of PEI-PDMS Hollow Fiber Composite Membrane for Separation and Recovery of VOCs  

Kim, Se-Jong (Airrane Co. Ltd.)
Lee, Chung-Seop (Airrane Co. Ltd.)
Koh, Hyung-Chul (Airrane Co. Ltd.)
Ha, Seong-Yong (Airrane Co. Ltd.)
Nam, Sang-Yong (School of Nano and Advanced Materials Engineering, Engineering Research Institute, Gyeongsang National University)
Rhim, Ji-Won (Department of Chemical Engineering & Nano-Bio Technology, Hannam University)
Choi, Whee-Moon (Environmental Engineering, School of Engineering, Ajou University)
Publication Information
Membrane Journal / v.22, no.1, 2012 , pp. 54-61 More about this Journal
Abstract
To separate and recover of VOCs, supporting membranes using PEI were prepared by phase separation method and it was coated with PDMS to prepare PEI-PDMS hollow composite membrane. To investigate characteristic of prepared membrane, pure gas permeability was measured using oxygen and nitrogen, the stage cut and permeance property with feed concentration were evaluated using xylene, ethyl benzene, toluene and cyclohexane. Also, to check solvent resistance on VOCs, stress-strain property of membrane with immersion time in solvent were measured by DMA. The permeance value of $O_2$ and $N_2$ showed 63 GPU and 30 GPU respectively. Permeated VOCs concentration was decreased with increasing stage cut. But, conversely, recovery efficiency that was increased with increasing stage cut. As a result of DMA test, the stress and strain were 11.93 MPa and 13.52%, respectively.
Keywords
polyetherimide; poly(dimethylsiloxane); hollow fiber; VOCs; gas separation; membrane;
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Times Cited By KSCI : 3  (Citation Analysis)
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