Effect of fiber variation on the performance of cross-flow hollow fiber gas separation modules |
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| Affiliation: | 1. Department of Cardiology, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan;2. Department of Cardiology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan;3. Department of Cardiology, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Ibaraki, Japan;4. Division of Cardiology, Kamisu Saiseikai Hospital, Ibaraki, Japan;5. Department of Cardiology, Setagaya Rehabilitation Hospital, Tokyo, Japan;6. Division of Cardiology, Hitachinaka General Hospital, Ibaraki, Japan;7. Division of Cardiology, Tsukuba Medical Center Hospital, Ibaraki, Japan;8. Department of Cardiology, Ibaraki Prefectural Central Hospital, Ibaraki, Japan;9. Department of Cardiology, Hitachi, Ltd., Hitachi General Hospital, Ibaraki, Japan;1. Department of Physical Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentská 573, Pardubice 53210, Czech Republic;2. ORLEN UniCRE a.s., Revoluční 84/1521, Ústí nad Labem 40001, Czech Republic |
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| Abstract: | A quantitative analysis of the effects of variable fiber properties on the performance of a cross-flow hollow fiber gas separation module is presented. The effects of variations in size, permeance, and selectivity are considered. Fiber variability is detrimental to performance. The recovery and flow rate of an enriched retentate stream decrease as variability increases. Some fibers may actually stop producing product as purity increases. Additionally, performance is poorer if the permeate from all fibers is not well mixed. The results of this work can be used to determine quality control guidelines for fiber manufacture and evaluate process enhancements. |
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