NDLI: Design of MFI Zeolite-Based Composites with Hierarchical Pore Structure: A New Generation of Structured Catalysts

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Design of MFI Zeolite-Based Composites with Hierarchical Pore Structure: A New Generation of Structured Catalysts

Content Provider	Semantic Scholar
Author	Ocampo, Fabien Yun, Hiu-Suk Pereira, Marcelo Maciel Tessonnier, Jean-Philippe Louis, Benoît
Copyright Year	2009
Abstract	Zeolite/glass composite materials with hierarchical trimodal pore size distributions have been successfully prepared and subsequently characterized. Starting from glass monoliths having meso- and macropores, additional microporosity was introduced while allowing the growth of zeolite crystals via partial recrystallization of the glass support into ZSM-5 zeolite phase. Structured zeolitic catalytic materials were produced using a combination of supramolecular templating methods to produce the glass support, followed by conventional self-assembly of template cations and silica species. Zeolite crystals are therefore in intimate contact with the glass support, featuring micropores in addition to the mesopores. Hence, these zeolite/glass composites exhibit enhanced diffusional properties in comparison with purely microporous zeolite materials. These enhanced mass transport properties allowed improvement of the selectivity toward light olefins in the important n-hexane cracking reaction.
Starting Page	3721
Ending Page	3729
Page Count	9
File Format	PDF HTM / HTML
DOI	10.1021/cg900425r
Alternate Webpage(s)	https://works.bepress.com/jean-philippe_tessonnier/10/download/
Alternate Webpage(s)	https://doi.org/10.1021/cg900425r
Volume Number	9
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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