Dyer, A and Amini, S 2001, 'Self-diffusion of simple alcohols in heterionic forms of LTA zeolites' , Microporous and Mesoporous Materials, 46 (2-3) , pp. 163-176.
Full text not available from this repository. (Request a copy)Abstract
Radiotracers have been used to follow molecular diffusion of ethyl and n-butyl alcohols in LTA zeolite crystallites under the conditions of liquid phase sorption. Evidence of a two-stage process has been observed. In the case of ethyl alcohol movement this prevented the estimation of energy barriers to molecular migration. Estimates were possible when n-butyl alcohol was the labelled species. The effect of the presence of Mg, Ca, Sr, Zn, Na, Li, K, and H cations was studied. It was concluded that the mobility of unbound alcohol molecules contributed to the initial diffusion process and that the second process was associated with alcohol molecules in some form of solvation shield round the cations present in the larger zeolite cages. Comparisons to literature data for molecules moving in the gaseous phase through zeolites were made, and this enabled suggestions of the mechanism for movements of molecules through zeolites in the liquid phase.
| Item Type: | Article |
|---|---|
| Themes: | Subjects / Themes > Q Science > QD Chemistry Subjects outside of the University Themes |
| Schools: | Schools > School of Computing, Science and Engineering |
| Journal or Publication Title: | Microporous and Mesoporous Materials |
| Publisher: | Elsevier |
| Refereed: | Yes |
| ISSN: | 13871811 |
| Depositing User: | H Kenna |
| Date Deposited: | 24 Aug 2007 10:26 |
| Last Modified: | 27 Aug 2021 22:00 |
| URI: | https://usir.salford.ac.uk/id/eprint/363 |
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