Surface acidity of some Re2O7-containing metathesis catalysts. An in situ Fourier transform infrared study using pyridine adsorption
- 1 January 1986
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases
- Vol. 82 (9) , 2707-2718
- https://doi.org/10.1039/f19868202707
Abstract
Surface acidity of several metathesis catalysts, Re2O7/Al2O3, Mx Oy·Re2O7/Al2O3(Mx Oy= V2O5, MoO3 or WO3) and Re2O7/SiO2·Al2O3, have been studied in situ by Fourier transform infrared spectroscopy using pyridine adsorption. A distinct correlation has been found between the activity for metathesis and Brönsted acidity of the catalysts, while their Lewis acidity showed no correlation with the activity.Keywords
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