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- Title
Promoting effect of hydrogen spillover on pyridine migration adsorbed on Lewis acid sites in USY zeolite.
- Authors
Ueda, Ryo; Tomishige, Keiichi; Fujimoto, Kaoru
- Abstract
The effect of hydrogen spillover over Pd/SiO2 + USY on pyridine chemisorbed on acid sites of USY zeolite was investigated. According to FTIR measurement, pyridine adsorbed on Lewis acid sites migrated to Brønsted acid sites under hydrogen-flowing atmosphere. The rate of migration was drastically promoted by physically mixed Pd/SiO2 catalysts. This suggests that spilt-over hydrogen enhance the migration of pyridine adsorbed on Lewis acid sites.
- Publication
Catalysis Letters, 1999, Vol 57, Issue 3, p145
- ISSN
1011-372X
- Publication type
Article
- DOI
10.1023/A:1019055801384