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  The Influence of Structural Properties of γ-Alumina Supported VOx Catalysts on the Reaction Network of Selective Oxidation of Ethane

Klose, F., Wolff, T., Joshi, M., Seidel-Morgenstern, A., Suchorski, Y., & Weiss, H. (2005). The Influence of Structural Properties of γ-Alumina Supported VOx Catalysts on the Reaction Network of Selective Oxidation of Ethane. Talk presented at 5th World Congress on Oxidation Catalysis. Sapporo, Japan. 2005-09-25 - 2005-09-30.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-9BB0-2 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0028-4599-1
Genre: Talk

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Extended_Abstract_Klose_Sapporo_2005.pdf (Any fulltext), 125KB
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Extended_Abstract_Klose_Sapporo_2005.pdf
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 Creators:
Klose, F.1, Author              
Wolff, T.2, Author              
Joshi, M.2, Author              
Seidel-Morgenstern, A.2, 3, Author              
Suchorski, Y.3, Author
Weiss, H.3, Author
Affiliations:
1Südchemie, Bruckmühl, persistent:22              
2Physical and Chemical Foundations of Process Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society, ou_1738150              
3Otto-von-Guericke-Universität Magdeburg, External Organizations, ou_1738156              

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Free keywords: Ethane oxidation; Supported vanadium catalysts; Reaction kinetics
 Abstract: Two series of γ-alumina supported VOx catalysts with V loadings between 1 and 15 wt.-% prepared by different techniques were studied due their performance in selective oxidation of ethane. Additionally, experiments on the oxidation of ethylene and CO were performed in order to clarify the contributions of consecutive reactions. The results obtained demonstrate, that at low V loadings, corresponding to a high V dispersion, a higher ethylene selectivity is obtained than at higher loaded catalysts. This is especially due to a higher activity of V2O5 for consecutive ethylene oxidation to CO. Additionally, the redox cycles of vanadate and V2O5 are different: the first is mainly only between V(IV) and V(III), in contrast to the latter one, which is between V(V) and V(III)

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Language(s): eng - English
 Dates: 2005
 Publication Status: Not specified
 Pages: -
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 Rev. Type: -
 Identifiers: eDoc: 244820
 Degree: -

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Title: 5th World Congress on Oxidation Catalysis
Place of Event: Sapporo, Japan
Start-/End Date: 2005-09-25 - 2005-09-30

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