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- Title
Role of Crystalline Structure in Allyl Alcohol Selective Oxidation over Mo<sub>3</sub>VO<sub> x</sub> Complex Metal Oxide Catalysts.
- Authors
Murayama, Toru; Katryniok, Benjamin; Heyte, Svetlana; Araque, Marcia; Ishikawa, Satoshi; Dumeignil, Franck; Paul, Sébastien; Ueda, Wataru
- Abstract
The role of the crystalline phase of Mo3VO x in the catalytic oxidation of allyl alcohol over four kinds of crystalline (orthorhombic, trigonal, tetragonal, amorphous) Mo3VO x catalysts was investigated to determine the active sites for the reactions. Tetragonal Mo3VO x was found less active for the formation of acrylic acid from allyl alcohol, although acrolein was obtained selectively at higher temperature. For orthorhombic and trigonal Mo3VO x catalyst, allyl alcohol converted to acrolein and propanal competitively at the mouth of the heptagonal channel over the a- b plane of the rod-type crystalline particles, and these aldehydes were oxidized consecutively to acrylic acid. Acrylic acid was formed effectively at increased reaction temperature over orthorhombic, trigonal and amorphous Mo3VO x catalysts, and the maximum yields of acrylic acid were 73 % for the orthorhombic Mo3VO x catalyst and 72 % for the trigonal Mo3VO x catalyst at 350 °C.
- Subjects
CRYSTAL structure; ALLYL alcohol; SELECTIVE catalytic oxidation; METAL catalysts; METALLIC oxides; ACRYLIC acid; ALDEHYDES
- Publication
ChemCatChem, 2016, Vol 8, Issue 14, p2415
- ISSN
1867-3880
- Publication type
Article
- DOI
10.1002/cctc.201600430