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

ID: 276371.0, Fritz-Haber-Institut / Inorganic Chemistry
Role of Non-Sulfated Zirconia Surface for Alkane Adsorption
Authors:Wrabetz, Sabine; Sauvage, Arnoud; Kröhnert, Jutta; Jentoft, Friederike C.; Schlögl, Robert; Li, X.; Lercher, Johannes A.; Breitkopf, Cornelia; Papp, Helmut
Research Context:Project 1, Acid-base & redox properties of promoted sulfated zirconia
Name of Conference/Meeting:XXXIX. Jahrestreffen Deutscher Katalytiker
Place of Conference/Meeting:Weimar
(Start) Date of Event 
End Date of Conference/Meeting 
Audience:Experts Only
Abstract / Description:Introduction
Catalysts based on sulfated zirconia materials have been implemented into industrial low temperature alkane isomerization units [1]. Zirconia itself is inactive for this type of reaction and becomes active only through addition of sulfate. Optimization of the sulfate content has been performed empirically [2], but it is e.g. not known whether complete coverage of the zirconia surface with sulfate is desirable or whether sites on the zirconia itself play a role in the reaction scheme. The goal of this work was to develop a method to detect free zirconia surface, to quantify its extent depending on the preparation procedure, and to assess the role of such sulfate-free areas of zirconia for the interaction with alkanes.

1.P.T. Barger, Europacat VII, Aug. 28 – Sept. 1, 2005 Sofia, Bulgaria.
2.F.R. Chen, G. Coudurier, J.F. Joly, J. Vedrine, J. Catal. 143 (1993) 616-626.
Free Keywords:Acidity, Activation, Activity, Adsorption, Basicity, Calcination, ex situ, in situ, Isomerisation, Preparation
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/Inorganic Chemistry
External Affiliations:Department of Chemistry, TU München, Lichtenbergstraße 4, 85747 Garching
Institute of Technical Chemistry, Universität Leipzig, Linnéstr. 3, 04103 Leipzig
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