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Thin ZSM-5 film cat...
Thin ZSM-5 film catalysts on quartz and alumina supports
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Öhrman, Olov (author)
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- Hedlund, Jonas (author)
- Luleå tekniska universitet,Industriell miljö- och processteknik
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- Msimang, Velaphi (author)
- Department of Chemical Engineering, Catalysis Research Unit, University of Cape Town
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- Möller, Klas (author)
- Department of Chemical Engineering, Catalysis Research Unit, University of Cape Town
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(creator_code:org_t)
- Elsevier BV, 2005
- 2005
- English.
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In: Microporous and Mesoporous Materials. - : Elsevier BV. - 1387-1811 .- 1873-3093. ; 78:2-3, s. 199-208
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Alumina beads, quartz and soda glass were coated with ZSM-5 films using a seeding method. Films with a thickness of 150, 350, 800 and 2300 nm were prepared. The catalysts were tested by para-xylene (pX) isomerization and triisopropylbenzene (TiPB) cracking. Model parameters, i.e. rate constants and diffusivities, were fitted to experimental results. The films on quartz glass were much more active for pX isomerization and for cracking of TiPB, which was also reflected by the model parameters. Low and zero rate constants for alumina and soda glass supported catalysts, respectively, were attributed to poisoning of the ZSM-5 film due to impurities in these supports. Larger diffusivity in quartz supported catalysts and thick films was attributed to more defects in the film.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Kemiska processer (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Chemical Process Engineering (hsv//eng)
Keyword
- Chemical Technology
- Kemisk teknologi
Publication and Content Type
- ref (subject category)
- art (subject category)
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