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          Institute: Fritz-Haber-Institut     Collection: Inorganic Chemistry     Display Documents



ID: 276405.0, Fritz-Haber-Institut / Inorganic Chemistry
Infrared Spectroscopic Investigation of Hydrogen and Acrolein Activation on Ag/SiO2 Hydrogenation Catalysts
Authors:Kröhnert, Jutta; Teschner, Detre; Knop-Gericke, Axel; Jentoft, Friederike C.; Schlögl, Robert; Hohmeyer, Jens; Bron, Michael; Claus, Peter
Language:English
Name of Conference/Meeting:XXXIX. Jahrestreffen Deutscher Katalytiker
Place of Conference/Meeting:Weimar
(Start) Date of Event 
 (YYYY-MM-DD):
2006-03-15
End Date of Conference/Meeting 
 (YYYY-MM-DD):
2006-03-17
Audience:Experts Only
Abstract / Description:Introduction
Selective hydrogenation of α,β-unsaturated aldehydes is one route to unsaturated alcohols with the double bond in allylic position, which are important intermediates for the production of fine chemicals, pharmaceuticals and perfumes. Supported Ag or Au are suitable catalysts, and more selective than e.g. Ru or Ni systems [1-3]. Little is known about the adsorption and activation of hydrogen and, e.g., acrolein on silver, and possible effects of the support. Here we use infrared spectroscopy to follow the interaction of the individual reactants with Ag supported on SiO2.
1. P. Claus, H. Hofmeister, J. Phys. Chem. B 103 (1999) 2766.
2. P. Claus, A. Brückner, C. Mohr, H. Hofmeister, J. Am. Chem. Soc. 122 (2000) 11430.
3. M. Lucas, P. Claus, Chem. Ing. Tech. 77 (2005) 110.
Free Keywords:Ag, silver, IR, kinetic, D2 exchange
Last Change of the Resource (YYYY-MM-DD):2006-03-14
Document Type:Poster
Communicated by:Robert Schlögl
Affiliations:Fritz-Haber-Institut/Inorganic Chemistry/Functional Characterization
Fritz-Haber-Institut/Inorganic Chemistry/Surface Analysis
Fritz-Haber-Institut/Inorganic Chemistry/Inorganic Chemistry
External Affiliations:Ernst-Berl-Institut / TC II, TU Darmstadt, Petersenstr. 20, 64287 Darmstadt
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