Zeolite-filled silicone rubber membranes. Experimental determination of concentration profiles

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Hennepe te, H.J.C. and Boswerger, W.B.F. and Bargeman, D. and Mulder, M.H.V. and Smolders, C.A. (1994) Zeolite-filled silicone rubber membranes. Experimental determination of concentration profiles. Journal of Membrane Science, 89 (1-2). pp. 185-196. ISSN 0376-7388

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Abstract:Permeant concentrations in silicalite-filled silicone rubber membranes during pervaporation of propanol/water mixtures were measured using multi-layered membranes. Experimentally determined concentration profiles show that the propanol concentration in the silicalite-filled membrane increases with increasing silicalite content. The water concentration in the membrane is low and no water is present in the silicalite particles during pervaporation.
The concentration profiles measured here support the observations from the resistance model that the diffusion through the membrane determines the transport rate, i.e., adsorption is a fast process.
Item Type:Article
Copyright:© 1994 Elsevier Science
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Link to this item:http://purl.utwente.nl/publications/12733
Official URL:http://dx.doi.org/10.1016/0376-7388(93)E0221-5
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