About: Occurrence of Fe Species in Zeolites Active in N2O Propane Oxidation to Propene and propanal

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About: Occurrence of Fe Species in Zeolites Active in N2O Propane Oxidation to Propene and propanal Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Katalytická účinnost Fe-MFI v oxidaci propanu pomocí N2O a O2. Všechny studované materiály vykazovaly mizivou aktivitu v přítomnosti kyslíku, zatímco v přítomnosti N2O bylo dosaženo až 20% výtěžku. Výsledky charakterizace pomocí EPR a UV-vis spektroskopií naznačují, že aktivní částicí je část dobře dispergovaných částic železa. (cs) The performance of Fe-MFI zeolites in N2O- and O2-mediated conversion of propane to propene and oxygenates has been investigated over a set of calcined and steamed Fe-MFI (Si/Al = 12 - 620) catalysts containing iron originally in the framework, in cationic sites and as oxide-like supported Fe species. All the catalysts exhibited very low activity in oxidation of propane by molecular oxygen, whereas in the propane reaction with nitrous oxide the propene yield was up to 20 %, besides formation of other oxygenates. The results of UV-Vis and EPR spectroscopy and reaction kinetic tests enabled to suggest that very small part of the well-isolated Fe-species is extremely active in propane oxidation by nitrous oxide following the %22propane - propanol ? propene - propanal ? COx%22 reaction pathway. The performance of Fe-MFI zeolites in N2O- and O2-mediated conversion of propane to propene and oxygenates has been investigated over a set of calcined and steamed Fe-MFI (Si/Al = 12 - 620) catalysts containing iron originally in the framework, in cationic sites and as oxide-like supported Fe species. All the catalysts exhibited very low activity in oxidation of propane by molecular oxygen, whereas in the propane reaction with nitrous oxide the propene yield was up to 20 %, besides formation of other oxygenates. The results of UV-Vis and EPR spectroscopy and reaction kinetic tests enabled to suggest that very small part of the well-isolated Fe-species is extremely active in propane oxidation by nitrous oxide following the %22propane - propanol ? propene - propanal ? COx%22 reaction pathway. (en)
Title	Occurrence of Fe Species in Zeolites Active in N2O Propane Oxidation to Propene and propanal xx (cs) Occurrence of Fe Species in Zeolites Active in N2O Propane Oxidation to Propene and propanal (en)
skos:prefLabel	Occurrence of Fe Species in Zeolites Active in N2O Propane Oxidation to Propene and propanal xx (cs) Occurrence of Fe Species in Zeolites Active in N2O Propane Oxidation to Propene and propanal (en)
skos:notation	RIV/00216275:25310/05:00002651!RIV08-MSM-25310___
http://linked.open.../vavai/riv/strany	1977-1984
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA104/03/1120), Z(MSM0021627501)
http://linked.open...iv/cisloPeriodika	158
http://linked.open...vai/riv/dodaniDat	2008
http://linked.open...aciTvurceVysledku	Bulánek, Roman Nachtigall, Petr
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	Univerzita Pardubice / Fakulta chemicko-technologická
http://linked.open...dnocenehoVysledku	533938
http://linked.open...ai/riv/idVysledku	RIV/00216275:25310/05:00002651
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	propane; oxidation; zeolite (en)
http://linked.open.../riv/klicoveSlovo	oxidation zeolite propane
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[CC1462B279E0]
http://linked.open...i/riv/nazevZdroje	Studies in Surface Science and Catalysis
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Catalytic ammoxidation of propane
http://linked.open...UplatneniVysledku	2005
http://linked.open...v/svazekPeriodika	N
http://linked.open...iv/tvurceVysledku	Adam, Jan Bulánek, Roman Nachtigall, Petr Sobalík, Zdeněk Novoveská, Kateřina Kreibich, V.
http://linked.open...n/vavai/riv/zamer	Aimed preparation of special compounds and materials and investigation of their physical and chemical properties and supramolecular structures
issn	0167-2991
number of pages	8 (xsd:int)
http://localhost/t...ganizacniJednotka	25310

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