Journal
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
Volume 54, Issue 11, Pages 3082-3089Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ie504681v
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Funding
- Huazhong University of Science and Technology, China [0124013041, 2014YQ012]
- National Natural Science Foundation of China [21306058]
- Thousand Youth Talent Plan
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The dewatering of ethyl acetate (EA) holds a significant role in the production, and application of this important chemical material. In this study, pervaporation dehydration of EA is investigated Wing polybenzimidazole/poly(ether imide) (PBI/PEI) dual-layer hollow fiber membranes. The spinning parameters during the membrane fabrication, including the take-up speed and air gap distance, are varied and found to have a marked influence on the resultant, separation performance. Besides, doss-linking modification and post-thermal treatment are applied on-the PBI/PEI hollow fiber membranes and, their effects on the membrane performance are also investigated.,A benchmarking shows that the pervaporation performance of the dual-layer PBI/PEI hollow fiber membranes is superior to most other polymeric membranes for EA dehydration.
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