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Characterization of Nanosized Material Extracted from Clear Suspensions for MFI Zeolite Synthesis

Ravishankar, Raman (author)
Centrum voor Oppervlaktechemie en Katalyse, K.U. Leuven, Kardinaal Mercierlaan 92, B-3001, Heverlee, Belgium
Kirschhock, Christine (author)
Centrum voor Oppervlaktechemie en Katalyse, K.U. Leuven, Kardinaal Mercierlaan 92, B-3001, Heverlee, Belgium
Knops-Gerrits, Peter-Paul (author)
Centrum voor Oppervlaktechemie en Katalyse, K.U. Leuven, Kardinaal Mercierlaan 92, B-3001, Heverlee, Belgium
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Feijen, Eddy J.P. (author)
Centrum voor Oppervlaktechemie en Katalyse, K.U. Leuven, Kardinaal Mercierlaan 92, B-3001, Heverlee, Belgium
Grobet, Piet J. (author)
Centrum voor Oppervlaktechemie en Katalyse, K.U. Leuven, Kardinaal Mercierlaan 92, B-3001, Heverlee, Belgium
Vanoppen, Peter (author)
Laboratorium Moleculaire Dynamica & Spectroscopie, K.U. Leuven, Kardinaal Mercierlaan 92, B-3001, Heverlee, Belgium
De Schryver, Frans C. (author)
Laboratorium Moleculaire Dynamica & Spectroscopie, K.U. Leuven, Kardinaal Mercierlaan 92, B-3001, Heverlee, Belgium
Miehe, Gerhard (author)
Department of Materials Science, Division of Structural Research, University of Technology, Darmstadt, Germany
Fuess, Harmut (author)
Department of Materials Science, Division of Structural Research, University of Technology, Darmstadt, Germany
Schoeman, Brian J. (author)
Luleå tekniska universitet
Jacobs, Pierre A. (author)
Centrum voor Oppervlaktechemie en Katalyse, K.U. Leuven, Kardinaal Mercierlaan 92, B-3001, Heverlee, Belgium
Martens, Johan A. (author)
Centrum voor Oppervlaktechemie en Katalyse, K.U. Leuven, Kardinaal Mercierlaan 92, B-3001, Heverlee, Belgium
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Centrum voor Oppervlaktechemie en Katalyse, KU. Leuven, Kardinaal Mercierlaan 92, B-3001, Heverlee, Belgium Laboratorium Moleculaire Dynamica & Spectroscopie, K.U. Leuven, Kardinaal Mercierlaan 92, B-3001, Heverlee, Belgium (creator_code:org_t)
1999-05-27
1999
English.
In: Journal of Physical Chemistry B. - : American Chemical Society (ACS). - 1520-6106 .- 1520-5207. ; 103:24, s. 4960-4964
Related links:
https://urn.kb.se/re...
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https://doi.org/10.1...
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • The silica species contained in an aged clear suspension, which upon heating gives rise to the crystallization of Silicalite-1, were extracted with 80% efficiency using a sequence of acidification, salting out, phase transfer into organic solvent, and freeze-drying methods. This silica powder was characterized by X-ray scattering, transmission electron microscopy, atomic force microscopy, and 29Si magic angle spinning nuclear magnetic resonance. These techniques gave evidence for the presence of a very specific morphology, corresponding to slab shaped particles, with dimensions of 1.3 × 4.0 × 4.0 nm. The nanoslabs have the MFI structure with nine channel intersections per particle, each containing a TPA cation. The identity of the extracted nanoslabs with the species in suspension is evidenced with in situ and ex situ X-ray scattering.

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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