Participation of molecular hydrogen-originated protonic acid sites in acid-catalyzed reactions

Participation of molecular hydrogen-originated protonic acid sites in acid-catalyzed reactions The formation of protons from molecular hydrogen was observed by IR of adsorbed pyridine for Pt/SO4 2−−ZrO2 when heated in the presence of hydrogen. The promotive effects of hydrogen on skeletal isomerization of alkanes and cumene cracking are rationalized by the formation of protons from hydrogen. The formation of protons and the promotive effects of hydrogen were also observed for other catalysts such as Co.Mo/SiO2−Al2O3 and a physical mixture of Pt/SiO2 and H-ZSM-5. The concept “molecular hydrogen-originated protonic acid site” is proposed as an important and widely applicable concept in acid-catalyzed reactions. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Participation of molecular hydrogen-originated protonic acid sites in acid-catalyzed reactions

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Publisher
Springer Netherlands
Copyright
Copyright © 1998 by Springer
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1163/156856798X00483
Publisher site
See Article on Publisher Site

Abstract

The formation of protons from molecular hydrogen was observed by IR of adsorbed pyridine for Pt/SO4 2−−ZrO2 when heated in the presence of hydrogen. The promotive effects of hydrogen on skeletal isomerization of alkanes and cumene cracking are rationalized by the formation of protons from hydrogen. The formation of protons and the promotive effects of hydrogen were also observed for other catalysts such as Co.Mo/SiO2−Al2O3 and a physical mixture of Pt/SiO2 and H-ZSM-5. The concept “molecular hydrogen-originated protonic acid site” is proposed as an important and widely applicable concept in acid-catalyzed reactions.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Apr 14, 2009

References

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