No data available.
Please log in to see this content.
You have no subscription access to this content.
No metrics data to plot.
The attempt to load metrics for this article has failed.
The attempt to plot a graph for these metrics has failed.
The full text of this article is not currently available.
Polymeric nanofibrous composite membranes for energy efficient ethanol dehydration
1. EIA, U.S. Ethanol Consumption Statistics, U.S. Energy Information Administration, 2010.
3. X. S. Feng and R. Y. M. Huang, “ Liquid separation by membrane pervaporation: A review,” Ind. Eng. Chem. Res. 36(4 ), 1048–1066 (1997).
5. I. Pinnau and W. J. Koros, “ Relationship between substructure resistance and gas separation properties of defect-free integrally skinned asymmetric membranes,” Ind. Eng. Chem. Res. 30(8 ), 1837–1840 (1991).
7. O. Trifunović and G. Tragardh, “ The influence of support layer on mass transport of homologous series of alcohols and esters through composite pervaporation membranes,” J. Membr. Sci. 259, 122–134 (2005).
8. H. Y. Ma et al., “High-flux thin-film nanofibrous composite ultrafiltration membranes containing cellulose barrier layer,” J. Mater. Chem. 20(22), 4692–4704 (2010).
9. Z. H. Tang et al., “ Design and fabrication of electrospun polyethersulfone nanofibrous scaffold for high-flux nanofiltration membranes,” J. Polym. Sci., Part B: Polym. Phys. 47(22 ), 2288–2300 (2009).
10. Y. Yoon, B. S. Hsiao, and B. Chu, “ High flux ultrafiltration nanofibrous membranes based on polyacrylonitrile electrospun scaffolds and crosslinked polyvinyl alcohol coating,” J. Membr. Sci. 338(1–2 ), 145–152 (2009).
11. K. Yoon, B. S. Hsiao, and B. Chu, “ Formation of functional polyethersulfone electrospun membrane for water purification by mixed solvent and oxidation processes,” Polymer 50(13 ), 2893–2899 (2009).
13. K. Yoon, B. S. Hsiao, and B. Chu, “High flux nanofiltration membranes based on interfacially polymerized polyamide barrier layer on polyacrylonitrile nanofibrous scaffolds,” J. Membr. Sci. 326(2), 484–492 (2009).
14. K. Yoon, B. S. Hsiao, and B. Chu, “ Functional nanofibers for environmental applications,” J. Mater. Chem. 18(44 ), 5326–5334 (2008).
15. B. Chu, B. S. Hsiao, and K. Yoon, “ Nanofiber and nanocomposite-fiber technology for environmental applications,” AATCC Rev. 8, 31–33 (2007).
16. X. F. Wang et al., “ High performance ultrafiltration composite membranes based on poly(vinyl alcohol) hydrogel coating on crosslinked nanofibrous poly(vinyl alcohol) scaffold,” J. Membr. Sci. 278(1–2 ), 261–268 (2006).
18. X. F. Wang et al., “High flux filtration medium based on nanofibrous substrate with hydrophilic nanocomposite coating,” Environ. Sci. Technol. 39(19), 7684–7691 (2005).
19. H. Fukuzumi et al., “Transparent and high gas barrier films of cellulose nanofibers prepared by TEMPO-mediated oxidation,” Biomacromolecules 10(1), 4 (2009).
Article metrics loading...
Ethanol derived from the fermentation process (e.g., from corn) is widely used as a blend to improve the air quality and to decrease the demand for gasoline. During the production process, ethanol dehydration is usually carried out by azeotropic distillation, which consumes about twice amount of energy than the “pervaporation” method. The purpose of this study is to demonstrate an energy-efficient nanofibrous composite pervaporation membrane system for production of dehydrated ethanol. The nanofibrous membrane system consists of a cross-linked polyvinyl alcohol hydrophilic barrier layer, an buffer layer based on ultra-fine cellulose nanofibers (diameter about 5 nm), and an electrospun nanofibrous scaffold layer with high porosity (e.g., 80%) and fully interconnected pore structures. The performance between the conventional pervaporation membranes and nanofibrous compositemembranes was compared under the same pervaporation conditions.
Full text loading...
Most read this month