Kapteijn, F. ; Moulijn, J. A. ; Krishna, R. (2000) The generalized Maxwell-Stefan model for diffusion in zeolites: sorbate molecules with different saturation loadings Chemical Engineering Science, 55 (15). pp. 2923-2930. ISSN 0009-2509
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/S0009-2509(99)00564-3
Abstract
Using the Maxwell-Stefan approach, expressions have been derived for the diffusion of mixtures of hydrocarbons in zeolites wherein the individual components have different saturation loadings. This Maxwell-Stefan diffusion model, in combination with the Ideal Adsorbed Solution (IAS) theory and the single-component adsorption isotherms, provides a superior, qualitative and quantitative, prediction of the permeation fluxes of ethane/methane and propane/methane mixtures through a silicalite-1 membrane. The difference in adsorption saturation loadings becomes apparent in the entropy effects in the mixture adsorption.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Zeolite Diffusion; Maxwell-stefan Theory; Ideal Adsorption Solution (IAS); Saturation Loading; Membrane Permeation |
| ID Code: | 65483 |
| Deposited On: | 17 Oct 2011 03:08 |
| Last Modified: | 17 Oct 2011 03:08 |
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