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- Title
Role of Pt Oxidation State on the Activity and Selectivity for Crotonaldehyde Hydrogenation Over Pt–Sn/Al<sub>2</sub>O<sub>3</sub>–La and Pt–Pb/Al<sub>2</sub>O<sub>3</sub>–La Catalysts.
- Authors
Guzmán, C.; Del Angel, G.; Fierro, J. L. G.; Bertin, V.
- Abstract
Pt–Sn/ALa10 and Pt–Pb/ALa10 catalysts (10 wt% La2O3) were studied in the selective hydrogenation of crotonaldehyde. Oxidized Pt2+ and reduced Pt0 species were identified by XPS on the bimetallic catalysts. High selectivity to crotylalcohol was obtained on the Pt–Pb/ALa10 catalyst where an electron transfer effect from Pb to Pt was proposed. For the Pt–Sn/ALa10 catalyst the formation of Pt–SnO x–La2O3 complexes showing low activity and low selectivity was inferred.
- Subjects
CROTONALDEHYDE; HAZARDOUS substances; HYDROGENATION; CATALYSTS; CHARGE exchange
- Publication
Topics in Catalysis, 2010, Vol 53, Issue 15-18, p1142
- ISSN
1022-5528
- Publication type
Article
- DOI
10.1007/s11244-010-9549-x