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http://dx.doi.org/10.14579/MEMBRANE_JOURNAL.2015.25.1.42

Separation of $C_3H_6/C_3H_8$ by PEBAX-NaY Zeolite Composite Membranes  

Kim, Seul-Gi (Department of Chemistry, Sang Myung University)
Lee, Hyun-Kyung (Department of Industrial Chemistry, Sang Myung University)
Publication Information
Membrane Journal / v.25, no.1, 2015 , pp. 42-47 More about this Journal
Abstract
In this study, PEBAX[poly(ether-block-amide)]-NaY zeolite composite membranes were prepared, and those prepared membranes were studied on permeability of $C_3H_6$ and $C_3H_8$, and selectivity ($C_3H_6/C_3H_8$). NaY zeolite particles in PEBAX-NaY zeolite composite membranes was dispersed as aggregated particles with the size $0.5{\sim}2.5{\mu}m$ by SEM observation. TGA measurement showed the weight loss change resulted from the amount of NaY zeolite when NaY zeolite was added into PEBAX. By gas permeation experiment, the permeabilities of $C_3H_6$ and $C_3H_8$ were decreased by the more addition NaY zeolite in PEBAX. Overall, $C_3H_6$ was having higher permeability than $C_3H_8$. The selectivity $C_3H_6/C_3H_8$ was decreased by the more NaY zeolite in PEBAX.
Keywords
PEBAX; NaY zeolite; permeability; selectivity; propylene; propane;
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Times Cited By KSCI : 2  (Citation Analysis)
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