| Issue |
MATEC Web of Conferences
Volume 39, 2016
2015 2nd International Conference on Chemical and Material Engineering (ICCME 2015)
|
|
|---|---|---|
| Article Number | 03003 | |
| Number of page(s) | 4 | |
| Section | Material measuring method and application | |
| DOI | https://doi.org/10.1051/matecconf/20163903003 | |
| Published online | 13 January 2016 | |
Study on the enrichment of Sulfur Hexafluoride in the tmosphere through polyimide hollow fiber membrane
Northwest Institute of Nuclear Technology, XI’AN 710024, China
a Corresponding author: wiges@sina.com
Sulfur hexafluoride is per molecule the strongest greenhouse gas know, the features have brought SF6 into the climatic impact discussion aimed at reduction of emissions. The separation effects of sulfur hexafluoride in the atmosphere are studied through polyimide hollow fiber membrane with different conditions on pressure drop, gas flow and temperature. The sulfur hexafluoride concentration increased with increased pressure drop of the membrane, increased temperature and decreased non-filtrate flow flux; the recovery of sulfur hexafluoride exceeds 93%, enrichment coefficient was 18.5; sulfur hexafluoride is not detected at the flux of the filtrate flow, which means sulfur hexafluoride is riddled by membrane. The results showed that polyimide hollow fiber membrane can effectively separate sulfur hexafluoride from mixed gas
© Owned by the authors, published by EDP Sciences, 2016
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