About: Catalytic transformation of methyl benzenes over zeolite catalysts

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Catalytic transformation of three methyl benzenes (toluene, m-xylene, and 1,2,4-trimethyl benzene) has been investigated over ZSM-5, TNU-9, mordenite and SSZ-33 catalysts in a novel riser simulator at different operating conditions. Catalytic experiments were carried out in the temperature range of 300-400 degrees C to understand the transformation of these alkyl benzenes over large pore (mordenite and SSZ-33) in contrast to medium-pore (ZSM-5 and TNU-9) zeolite-based catalysts. The effect of reaction conditions on the isomerization to disproportionation product ratio, distribution of trimethylbenzene (TMB) isomers, and p-xylene/o-xylene ratios are reported. The sequence of reactivity of the three alkyl benzenes depends upon the pore structure of zeolites. The zeolite structure controls primarily the diffusion of reactants and products while the acidity of these zeolites is of a secondary importance. Catalytic transformation of three methyl benzenes (toluene, m-xylene, and 1,2,4-trimethyl benzene) has been investigated over ZSM-5, TNU-9, mordenite and SSZ-33 catalysts in a novel riser simulator at different operating conditions. Catalytic experiments were carried out in the temperature range of 300-400 degrees C to understand the transformation of these alkyl benzenes over large pore (mordenite and SSZ-33) in contrast to medium-pore (ZSM-5 and TNU-9) zeolite-based catalysts. The effect of reaction conditions on the isomerization to disproportionation product ratio, distribution of trimethylbenzene (TMB) isomers, and p-xylene/o-xylene ratios are reported. The sequence of reactivity of the three alkyl benzenes depends upon the pore structure of zeolites. The zeolite structure controls primarily the diffusion of reactants and products while the acidity of these zeolites is of a secondary importance. (en)
Title	Catalytic transformation of methyl benzenes over zeolite catalysts Catalytic transformation of methyl benzenes over zeolite catalysts (en)
skos:prefLabel	Catalytic transformation of methyl benzenes over zeolite catalysts Catalytic transformation of methyl benzenes over zeolite catalysts (en)
skos:notation	RIV/61388955:_____/11:00358690!RIV12-GA0-61388955
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GD203/08/H032), Z(AV0Z40400503)
http://linked.open...iv/cisloPeriodika	1-2
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Kubů, Martin Čejka, Jiří Musilová, Zuzana
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyzikální chemie J. Heyrovského AV ČR, v.v.i.
http://linked.open...dnocenehoVysledku	189293
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/11:00358690
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	ZSM-5; TNU-9; mordenite (en)
http://linked.open.../riv/klicoveSlovo	TNU-9 ZSM-5 mordenite
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[E78FFD7D6F37]
http://linked.open...i/riv/nazevZdroje	Applied Catalysis A - General
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	8 (xsd:int)
http://linked.open...vavai/riv/projekt	Advanced catalytic processes and materials
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	394
http://linked.open...iv/tvurceVysledku	Aitani, A. Akhtar, M. N. Al-Khattaf, S. Kubů, Martin Musilová, Zuzana Odedairo, T. Tukur, N. M. Čejka, Jiří
http://linked.open...ain/vavai/riv/wos	000287996100023
http://linked.open...n/vavai/riv/zamer	Struktura, reaktivita a dynamika molekulárních a biomolekulárních systémů: teorie, experiment, aplikace
issn	0926-860X
number of pages	15 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.apcata.2010.12.031

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