Role of Oxophilic Supports in the Selective Hydrodeoxygenation of m-Cresol on Pd Catalysts

Role of Oxophilic Supports in the Selective Hydrodeoxygenation of m-Cresol on Pd Catalysts

The hydrodeoxygenation of m -cresol has been studied on SiO 2 - and ZrO 2 -supported Pd catalysts. Regardless of metal dispersion, the latter exhibit greatly enhanced selectivity to toluene. This remarkable support effect can be explained in terms of a mechanism that involves a keto-intermediate tau...

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Veröffentlicht in:Catalysis letters 2014-12, Vol.144 (12), p.2005-2011
Hauptverfasser: de Souza, Priscilla M., Nie, Lei, Borges, Luiz E. P., Noronha, Fabio B., Resasco, Daniel E.
Format: Artikel
Sprache:eng
Schlagworte:
Catalysis
Catalysts
Chemistry
Chemistry and Materials Science
Exact sciences and technology
General and physical chemistry
Heterogeneous catalysis
Hydrogen
Industrial Chemistry/Chemical Engineering
Organometallic Chemistry
Palladium
Palladium catalysts
Physical Chemistry
Pyrolysis
Selectivity
Silicon dioxide
Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
Toluene
Zirconium dioxide
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Zusammenfassung:The hydrodeoxygenation of m -cresol has been studied on SiO 2 - and ZrO 2 -supported Pd catalysts. Regardless of metal dispersion, the latter exhibit greatly enhanced selectivity to toluene. This remarkable support effect can be explained in terms of a mechanism that involves a keto-intermediate tautomer favored by oxophilic sites on the support. Graphical Abstract .
ISSN:1011-372X
1572-879X
DOI:10.1007/s10562-014-1337-y