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Membrane Process Development for $CO_2$ Separation of Flaring Gas  

Kim, Se Jong (Airrane Co., Ltd.)
Kim, Hack Eun (Korea Gas Technology Corporation)
Cho, Won Jun (DME Technology Center, Korea Gas Corporation)
Ha, Seong Yong (Airrane Co., Ltd.)
Publication Information
Membrane Journal / v.23, no.5, 2013 , pp. 384-391 More about this Journal
Abstract
We prepared composite membrane which was made with polysulfone supported hollow fiber membrane coated with Hyflon AD to eliminate $CO_2$ gas from mixed-gases which were generated in DME manufacturing processes. The performance of module about simulated flaring gas was measured by using manufactured composite membrane. 1-stage evaluation result shows $CO_2$ concentration was below 3% at 1.2 MPa and at Stage cut 0.24 above. In addition $CO_2$ removal rate and $CH_4$ recovery rate was 80% respectively at the same condition. 2-stage evaluation result shows, when the $CO_2$ concentration of product gas was fixed at 5%, recycled $CO_2$ at stage cut 0.074 had the same concentration as the feed gas and the recovery rate of $CH_4$ was 99% at the moment.
Keywords
polysulfone; hollow fiber; gas separation; membrane; flaring gas;
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Times Cited By KSCI : 1  (Citation Analysis)
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