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  Kinetics study of ethylbenzene disproportionation with medium and large pore zeolites

Arsenova-Härtel, N., Haag, W. O., & Karge, H. G. (1997). Kinetics study of ethylbenzene disproportionation with medium and large pore zeolites. In Progress in Zeolite and Microporous Materials (pp. 1293-1300). Amsterdam: Elsevier.

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 Creators:
Arsenova-Härtel, Nevena1, Author           
Haag, Werner O.1, Author           
Karge, Hellmut G.2, Author           
Affiliations:
1Inorganic Chemistry, Fritz Haber Institute, Max Planck Society, ou_24023              
2Fritz Haber Institute, Max Planck Society, ou_24021              

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 Abstract: A kinetics investigation of ethylbenzene disproportionation over zeolite catalysts has revealed several novel catalytic features. With large pore zeolites at low temperatures, the reaction rate is strongly but reversibly retarded by the product diethylbenzene, a result of its large physical adsorption constant. By contrast, no product inhibition occurs with the medium pore zeolite, ZSM-5. With the latter, the reaction rate is independent of the crystal size. However, the para-selectivity of the diethylbenzene produced increases strongly with crystal size and also with reaction temperature, yielding 100% p-diethylbenzene as the primary disproportionation product. This strongly suggests diffusion control of the product selectivit

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Language(s): eng - English
 Dates: 1997
 Publication Status: Issued
 Pages: 8
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1016/S0167-2991(97)80769-0
 Degree: -

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Title: 11th International Zeolite Conference
Place of Event: Seoul, Korea
Start-/End Date: 1996-08-12 - 1996-08-17

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Title: Progress in Zeolite and Microporous Materials
  Abbreviation : Stud. Surf. Sci. Catal.
Source Genre: Proceedings
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Publ. Info: Amsterdam : Elsevier
Pages: 8 Volume / Issue: - Sequence Number: - Start / End Page: 1293 - 1300 Identifier: ISBN: ISBN: 0-444-82344-1

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Title: Studies in Surface Science and Catalysis
Source Genre: Series
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Pages: - Volume / Issue: 105 Sequence Number: - Start / End Page: - Identifier: -