Choudhary, V. R. ; Mulla, S. A. R. ; Banerjee, S. (2003) Aromatization of n-heptane over H-AlMFI, Ga/H-AlMFI, H-GaMFI and H-GaAlMFI zeolite catalysts: influence of zeolitic acidity and non-framework gallium Microporous and Mesoporous Materials, 57 (3). pp. 317-322. ISSN 1387-1811
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S13871...
Related URL: http://dx.doi.org/10.1016/S1387-1811(02)00606-6
Abstract
Influence of zeolite acidity (strong acid sites measured in terms of the pyridine chemisorbed at 400°C) and non-framework Ga-species present in the zeolite channels on the conversion (total and to aromatics) and selectivity in the aromatization of n-heptane at 500°C over the H-AlMFI (H-ZSM-5), Ga/ H-AlMFI, H-GaMFI and H-GaAlMFI zeolite catalysts (GHSV=3400 and 13,600 h-1) has been investigated. Among the zeolite catalysts, the H-GaAlMFI (with high acidity and high non-FW Ga) showed the highest n-heptane conversion and aromatization activity. Both the zeolitic acidity and non-FW Ga-species were found to play important role in the aromatization process, producing a combined effect.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Aromatization for n-heptane; H-AIMFI; Ga/H-AIMFI; H-GaMFI; H-GaAIMFI |
| ID Code: | 10506 |
| Deposited On: | 03 Nov 2010 11:52 |
| Last Modified: | 28 May 2011 11:20 |
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