Please use this identifier to cite or link to this item: https://doi.org/10.1007/s10934-006-8031-4
Title: Zeolite beta catalysts for n-C7 hydroisomerization
Authors: Liu, Y.
Guo, W. 
Zhao, X.S. 
Lian, J.
Dou, J.
Kooli, F.
Keywords: N-C7 hydroisomerization
Pd
Pt
Pt-Pd
Zeolite beta
Issue Date: Aug-2006
Source: Liu, Y., Guo, W., Zhao, X.S., Lian, J., Dou, J., Kooli, F. (2006-08). Zeolite beta catalysts for n-C7 hydroisomerization. Journal of Porous Materials 13 (3) : 359-364. ScholarBank@NUS Repository. https://doi.org/10.1007/s10934-006-8031-4
Abstract: Zeolite β with Si/2Al ratios of 60, 100, and 200 were synthesized using tetraethlammonium hydroxide (TEAOH) as the structure-directing agent (SDA) in the absence of alkali metal cations. Pt, Pd and Pt-Pd catalysts supported on the zeolite β samples were studied in n-heptane (n-C7) hydroisomerization. The Pt/β catalysts showed a higher catalytic activity than the Pd/β catalysts. For the Pt/β with a Si/2Al ratio of 100, its n-C7 conversion and selectivity of C7 isomers were observed to be 87.06% and 75.48% respectively at 250°C. The activity of n-C7 conversion was stable for at least 82 h. However, the selectivity of C7 isomers was gradually decreased with the reaction time. Experimental data also showed that the addition of Pd to catalyst Pt/β enhanced the n-C7 conversion, but lowered the selectivity of C7 isomers. Pd catalyst was also observed to minimize the formation of aromatics in comparison with Pt catalyst. © Springer Science + Business Media, LLC 2006.
Source Title: Journal of Porous Materials
URI: http://scholarbank.nus.edu.sg/handle/10635/64798
ISSN: 13802224
DOI: 10.1007/s10934-006-8031-4
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