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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Zhan, Xia Li, Jiding Huang, Junqi Chen, Cuixian |
| Description | Author Affiliation: Zhan X ( Membrane Technology & Engineering Research Center, Department of Chemical Engineering, Tsinghua University, Beijing, People's Republic of China.) |
| Abstract | Multi-layer PDMS/PVDF composite membrane with an alternative PDMS/PVDF/non-woven-fiber/PVDF/PDMS configuration was prepared in this paper. The porous PVDF substrate was obtained by casting PVDF solution on both sides of non-woven fiber with immersion precipitation phase inversion method. Polydimethylsiloxane (PDMS) was then cured by phenyltrimethoxylsilane (PTMOS) and coated onto the surface of porous PVDF substrate one layer by the other to obtain multi-layer PDMS/PVDF composite membrane. The multi-layer composite membrane was used for ethanol recovery from aqueous solution by pervaporation, and exhibited enhanced separation performance compared with one side PDMS/PVDF composite membranes, especially in the low ethanol concentration range. The maximum separation factor of multi-layer PDMS/PVDF composite membrane was obtained at 60 degrees C, and the total flux increased exponentially along with the increase of temperature. The composite membrane gave the best pervaporation performance with a separation factor of 15, permeation rate of 450 g/m(2)h with a 5 wt.% ethanol concentration at 60 degrees C. |
| File Format | HTM / HTML |
| ISSN | 02732289 |
| Issue Number | 2 |
| Volume Number | 160 |
| e-ISSN | 15590291 |
| Journal | Applied Biochemistry and Biotechnology |
| Language | English |
| Publisher | Springer |
| Publisher Date | 2010-01-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Biochemistry Discipline Biotechnology Dimethylpolysiloxanes Chemistry Ethanol Isolation & Purification Polyvinyls Adsorption Membranes, Artificial Porosity Temperature Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine Molecular Biology Environmental Engineering Biochemistry Bioengineering Applied Microbiology and Biotechnology Biotechnology |
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