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http://dx.doi.org/10.9713/kcer.2011.49.4.498

A Study on the Permeance Through Polymer Membranes and Selectivity of $CH_4/N_2$  

Park, Bo-Ryoung (Korea Institute of Energy Research)
Kim, Dae-Hoon (Korea Institute of Energy Research)
Lee, Gang-Woo (Yoo Sung Co. R&D Center)
Hwang, Taek-Sung (Department of Chemical Engineering, Chungnam National University)
Lee, Hyung-Keun (Korea Institute of Energy Research)
Publication Information
Korean Chemical Engineering Research / v.49, no.4, 2011 , pp. 498-504 More about this Journal
Abstract
In this research, hollow fiber membranes were used in order to investigate to permeation and selectivity of the $CH_4$ and $N_2$. Polyimide and polyethersulfone hollow fiber membrane were prepared by the dry-wet phase inversion method and the module was manufactured by fabricating fibers after surface coating with silicone elastomer. The scanning electron microscopy (SEM) studies showed that the produced fibers typically had an asymmetric structure. The permeance of $CH_4$ and $N_2$ were increased with pressure and temperature. However, the selectivity was decreased with increasing temperature. The permeances of $CH_4$ and $N_2$ were decreased with increasing the air gap and the effect of post-treatment on membrane showed the increase in permeance up to 3.2~7.0 times.
Keywords
Polyimide Membrane; Polyethersulfone Membrane; Hollow Fiber Membrane; Biogas; Gas Separation; Methane; Nitrogen;
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Times Cited By KSCI : 4  (Citation Analysis)
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