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- Title
Mechanism of carboxylic acid formation on vanadium-containing oxide catalysts.
- Authors
Popova, G.; Andrushkevich, T.; Zakharov, I.; Chesalov, Yu.
- Abstract
The surface intermediates in acrolein oxidation into acrylic acid on a V-Mo oxide catalyst, formaldehyde oxidation into formic acid on a V-Ti catalyst, and 3-pyridinecarboxaldehyde and ß-picoline oxidation into nicotinic acid on a V-Ti catalyst are identified byin situIR spectroscopy. The acids are found to form by similar mechanisms. The intermediates in acid formation are saltlike surface compounds (formates, acrylates, and nicotinates) stabilized on vanadium ions. The role of vanadium in acid formation is discussed in terms of the mechanisms suggested.
- Subjects
ACROLEIN; HERBICIDES; ACRYLIC acid; OXIDATION; CATALYSTS; PICOLINE-N-oxide
- Publication
Kinetics & Catalysis, 2005, Vol 46, Issue 2, p217
- ISSN
0023-1584
- Publication type
Article
- DOI
10.1007/s10975-005-0069-9