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



ID: 276953.0, Fritz-Haber-Institut / Inorganic Chemistry
Initiation of Alkane Isomerization on Sulfated Zirconia Catalysts Studied by In Situ X-ray Absorption, UV-vis and IR Spectroscopy
Authors:Jentoft, Friederike C.; Klose, Barbara S.; Jentoft, Rolf E.; Ressler, Thorsten; Joshi, Pradnya; Chan Thaw, Carine; Trunschke, Annette; Schlögl, Robert
Language:English
Research Context:Project 1: Acid-base & redox properties of promoted sulfated zirconia
Name of Conference/Meeting:19th North American Catalysis Society Meeting
Place of Conference/Meeting:Philadelphia, USA
(Start) Date of Event 
 (YYYY-MM-DD):
2005-05-22
End Date of Conference/Meeting 
 (YYYY-MM-DD):
2005-05-27
Audience:Experts Only
Abstract / Description:A combined catalytic and multi-method (X-ray absorption fine structure (XAFS), UV-vis, and diffuse reflectance Fourier transform IR (DRIFTS) spectroscopy) in situ spectroscopic study of sulfated zirconia catalysts during activation and n-butane isomerization is presented, and insight into the low temperature activation of alkanes is given. The question of initiation of n-Butane isomerization was approached in two ways: (i) the influence of inert or oxidizing activation conditions on SZ or Mn-promoted SZ was investigated, because for ODH an oxidized surface should be favorable, and (ii) during n-butane isomerization, the catalyst was checked for products of ODH, i.e. for water, for a reduced catalyst component (Mn, Zr, S) and for butenes or intermediates formed from it.
Free Keywords:Activation, Activity, Catalysis, Isomerisation
Document Type:Poster
Communicated by:Robert Schlögl
Affiliations:Fritz-Haber-Institut/Inorganic Chemistry/Functional Characterization
Fritz-Haber-Institut/Inorganic Chemistry/Preparation
Fritz-Haber-Institut/Inorganic Chemistry/Geometric Structure
Fritz-Haber-Institut/Inorganic Chemistry/Inorganic Chemistry
External Affiliations:2UMR 7515 du CNRS, ECPM–ULP, 25 rue Becquerel, F-67 087 Strasbourg Cedex 2, France
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