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  Acetylene and ethylene hydrogenation on alumina supported Pd–Ag model catalysts

Khan, N. A., Shaikhutdinov, S. K., & Freund, H.-J. (2006). Acetylene and ethylene hydrogenation on alumina supported Pd–Ag model catalysts. Catalysis Letters, 108(3-4), 159-164. Retrieved from http://dx.doi.org/10.1007/s10562-006-0041-y.

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AcetyleneandEthylene.pdf (Preprint), 318KB
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 Creators:
Khan, Neetha A.1, Author              
Shaikhutdinov, Shamil K.1, Author              
Freund, Hans-Joachim1, Author              
Affiliations:
1Chemical Physics, Fritz Haber Institute, Max Planck Society, ou_24022              

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Free keywords: hydrogenation; bimetallic catalysts; acetylene; palladium; silver
 Abstract: Adsorption and co-adsorption of ethylene, acetylene and hydrogen on Pd-Ag particles, supported on thin alumina films, have been studied by temperature programmed desorption (TPD). The TPD results show that adding of Ag to Pd suppresses overall hydrogenation activity but increases selectivity towards ethylene, i.e. similar to that observed on real catalysts. The results are rationalized on the basis of a complex interplay between surface and subsurface hydrogen species available in the system, whereby the latter species are the most critical for total hydrogenation of acetylene to ethane.

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Language(s): eng - English
 Dates: 2006-05-01
 Publication Status: Published in print
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 Rev. Type: Peer
 Identifiers: eDoc: 267122
URI: http://dx.doi.org/10.1007/s10562-006-0041-y
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Title: Catalysis Letters
  Alternative Title : Catal. Lett.
Source Genre: Journal
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Pages: - Volume / Issue: 108 (3-4) Sequence Number: - Start / End Page: 159 - 164 Identifier: -