Ray, S. K. ; Sawant, S. B. ; Joshi, J. B. ; Pangarkar, V. G. (1998) Dehydration of acetic acid by pervaporation Journal of Membrane Science, 138 (1). pp. 1-17. ISSN 0376-7388
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/S0376-7388(97)00210-X
Abstract
Pervaporative dehydration of acetic acid over the entire concentration range of 0-100% is studied using four copolymer membranes of acrylonitrile and high performance Nafion and polyimide membranes. From each copolymer of acrylonitrile, three different membranes were produced with three different copolymer compositions. Polyimide showed high water selectivity but very low flux, while Nafion showed highest flux but lowest selectivity. Copolymers of acrylonitriles showed reasonable flux and selectivity behavior. Among the acrylonitrile copolymers, copolymers with hydroxyethyl methylacrylate yielded water selectivity comparable to that of polyimide with much higher flux.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Acrylonitrile; Copolymers; Polyimide; Acetic Acid; Dehydration |
| ID Code: | 61141 |
| Deposited On: | 13 Sep 2011 11:02 |
| Last Modified: | 13 Sep 2011 11:02 |
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