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  Mesoporous ZSM-5 Zeolites in Acid Catalysis: Top-Down vs. Bottom-Up Approach

Losch, P., Hoff, T. C., Kolb, J. F., Bernardon, C., Tessonnier, J.-P., & Louis, B. (2017). Mesoporous ZSM-5 Zeolites in Acid Catalysis: Top-Down vs. Bottom-Up Approach. Catalysts, 7(8): 225. doi:10.3390/catal7080225.

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Genre: Journal Article

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 Creators:
Losch, Pit1, 2, Author              
Hoff, Thomas C.3, Author
Kolb, Joy F.1, Author
Bernardon, Claire1, Author
Tessonnier, Jean-Philippe3, Author
Louis, Benoît1, Author
Affiliations:
1Laboratoire de Synthèse Réactivité Organiques et Catalyse, Institut de Chimie, UMR 7177 CNRS, Université de Strasbourg, 1 rue Blaise Pascal, 67000 Strasbourg CEDEX, France, ou_persistent22              
2Research Group Schmidt, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445618              
3Department of Chemical & Biological Engineering, Iowa State University, 2138 Biorenewables Research Laboratory, 617 Bissell Road, Ames, IA 50011-1098, USA, ou_persistent22              

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Free keywords: zeolite; desilication; acid catalysis; mesoporosity
 Abstract: A top-down desilication of Al-rich ZSM-5 zeolites and a bottom-up mesopores creating method were evaluated in this study. Three liquid–solid and one gas–solid heterogeneously-catalysed reactions were chosen to establish relationships between zeolites textural properties and their catalytic behavior in acid-catalysed model reactions that are influenced by shape selectivity: Diels-Alder cyclization between isoprene and methylacrylate, Methanol-to-Olefins (MTO) reaction, chlorination of iodobenzene with trichloroisocyanuric acid (TCCA), and Friedel-Crafts acylation of anisole by carboxylic acids with differing sizes. It is found amongst others that no optimal mesoporosity for all the different reactions can be easily obtained, but depending on the chosen application, a specific treatment has to be set to achieve high activity/selectivity and stability.

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Language(s): eng - English
 Dates: 2017-07-142017-05-262017-07-192017-07-26
 Publication Status: Published online
 Pages: 19
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.3390/catal7080225
 Degree: -

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Title: Catalysts
Source Genre: Journal
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Publ. Info: Basel, Switzerland : MDPI
Pages: - Volume / Issue: 7 (8) Sequence Number: 225 Start / End Page: - Identifier: ISSN: 2073-4344
CoNE: https://pure.mpg.de/cone/journals/resource/2073-4344