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



  history
ID: 394413.1, Fritz-Haber-Institut / Inorganic Chemistry
Oxygen-induced activation of silica supported silver in acrolein hydrogenation
Authors:Bron, Michael; Teschner, Detre; Wild, Ute; Steinhauer, Bernd; Knop-Gericke, Axel; Volckmar, Claudia; Wootsch, Attila; Schlögl, Robert; Claus, Peter
Language:English
Research Context:Acrolein Hydrierung
Date of Publication (YYYY-MM-DD):2008
Title of Journal:Applied Catalysis A
Journal Abbrev.:Appl. Catal. A
Volume:341
Start Page:127
End Page:132
Copyright:2008 Elsevier B.V. All rights reserved.
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:The effect of oxygen pre-treatment of Ag/SiO2 catalysts used in the acrolein hydrogenation has been investigated from sub-atmospheric (266 mbar) to 10 bar reaction pressure. The pre-treatment has a profound influence on the overall hydrogenation activity, inasmuch the activity increased two- to threefold.
Oxygen pre-treatment also enhanced the selectivity towards the desired allyl alcohol. The beneficial effect of oxygen pre-treatment is ascribed to the formation of electronically modified Ag and/or morphology changes of the nanoparticles as no modification in particle size or dispersion was found.
Free Keywords:Acrolein; Silver; Selective Hydrogenation;
Last Change of the Resource (YYYY-MM-DD):2008-03-25
External Publication Status:published
Document Type:Article
Communicated by:Robert Schlögl
Affiliations:Fritz-Haber-Institut/Inorganic Chemistry/Surface Analysis
Fritz-Haber-Institut/Inorganic Chemistry/Inorganic Chemistry
External Affiliations:Ernst-Berl-Institute of Technical and Macromolecular Chemistry, Darmstadt University of Technology, Petersenstr. 20, D-64287 Darmstadt, Germany
Institute of Isotopes, Hungarian Academy of Sciences,
Identifiers:URL:http://dx.doi.org/10.1016/j.apcata.2008.02.033 [only for subscriber]
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