Propane Aromatization on Zn-Modified Zeolite BEA Studied by Solid-State NMR in situ Full article
Journal |
The Journal of Physical Chemistry C
ISSN: 1932-7447 , E-ISSN: 1932-7455 |
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Output data | Year: 2010, Volume: 114, Number: 29, Pages: 12681-12688 Pages count : 8 DOI: 10.1021/jp103580f | ||||
Tags | C-13 MAS NMR; BUTYL ALCOHOL DEHYDRATION; N-BUTENE CONVERSION; ANGLE-SPINNING NMR; SPECTROSCOPIC TECHNIQUES; SULFATED ZIRCONIA; HYDROGEN-EXCHANGE; REACTION-PRODUCTS; ZN/MFI CATALYST; H-ZSM-5 ZEOLITE | ||||
Authors |
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Affiliations |
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Funding (2)
1 | Russian Foundation for Basic Research | 10-03-00555 |
2 | Russian Science Support Foundation |
Abstract:
The conversion of propane (propane-1-13C and propane-2-13C) on Zn/H-BEA zeolite at 520−620 K has been studied by 1H and 13C (CP) MAS NMR. Propene adsorption complex with zinc sites (π-complex) and σ-allylzinc species as intermediates have been identified in the course of propane conversion to aromatics. The mechanism leading to the formation of methane and ethane, which are constituents of an undesirable route in propane conversion, has been examined by kinetic modeling of the expected reaction network based on in situ 1H MAS NMR kinetic measurements of the reaction performance. The pathways for propane aromatization and hydrogenolysis have been proposed. Hydrogenolysis of propane has been concluded to occur with the involvement of both Brønsted acid sites and Zn sites.
Cite:
Gabrienko A.A.
, Arzumanov S.S.
, Freude D.
, Stepanov A.G.
Propane Aromatization on Zn-Modified Zeolite BEA Studied by Solid-State NMR in situ
The Journal of Physical Chemistry C. 2010. V.114. N29. P.12681-12688. DOI: 10.1021/jp103580f WOS Scopus РИНЦ
Propane Aromatization on Zn-Modified Zeolite BEA Studied by Solid-State NMR in situ
The Journal of Physical Chemistry C. 2010. V.114. N29. P.12681-12688. DOI: 10.1021/jp103580f WOS Scopus РИНЦ
Dates:
Submitted: | Apr 21, 2010 |
Accepted: | Jun 17, 2010 |
Published online: | Jun 30, 2010 |
Published print: | Jul 29, 2010 |
Identifiers:
Web of science | WOS:000280070900043 |
Scopus | 2-s2.0-77954899884 |
Elibrary | 15316230 |
Chemical Abstracts | 2010:822441 |
Chemical Abstracts (print) | 153:232079 |
OpenAlex | W1969857880 |