Nature of adsorbed species during the reduction of CrO3/SiO2with CO In situFTIR spectroscopic study
- 1 January 1997
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Faraday Transactions
- Vol. 93 (22) , 4065-4069
- https://doi.org/10.1039/a704798c
Abstract
In situ FTIR spectra of adsorbed CO on CrO3/SiO2 catalysts have been investigated at elevated temperatures to elucidate the nature of the species formed during the reduction process with CO. The results show the formation of three species: bicarbonates, monodentate carbonate and inorganic carboxylate. The reduction of CrO3/SiO2, which occurs through the formation of surface bicarbonate and carboxylate compounds, starts near 100°C.Keywords
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