About: Ammoxidation of Propane over Fe-zeolites: Effect of Reaction Variables and Catalyst Composition and Structure

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A series of Fe-silicalite catalysts with tailored dispersion of Fe sites ranging from almost exclusively isolated Fe ions via oligonuclear cluster to Fe2O3 particles were characterized by UV-vis and ESR spectroscopy. The same catalysts were tested in the direct ammoxidation of propane at 540 °C in the mixture of molecular oxygen and nitrous oxide. Obtained catalytic results were compared with spectroscopic characterization. The presented results clearly shown that the changes in the catalytic performance of investigated catalysts are in correspondence with results of spectroscopic characterization. Acrylonitrile is produced on extra-framework Fe species exclusively generated by hydrolysis of framework Si-O-Fe bonds both during reaction and by steaming in water vapor at 600 °C as was evidenced by UV-vis and ESR spectroscopy. We supposed that active sites have character of well isolated extraframework sites with tetrahedral coordination characterized by UV bands below 300 nm and ESR signals with g highe A series of Fe-silicalite catalysts with tailored dispersion of Fe sites ranging from almost exclusively isolated Fe ions via oligonuclear cluster to Fe2O3 particles were characterized by UV-vis and ESR spectroscopy. The same catalysts were tested in the direct ammoxidation of propane at 540 °C in the mixture of molecular oxygen and nitrous oxide. Obtained catalytic results were compared with spectroscopic characterization. The presented results clearly shown that the changes in the catalytic performance of investigated catalysts are in correspondence with results of spectroscopic characterization. Acrylonitrile is produced on extra-framework Fe species exclusively generated by hydrolysis of framework Si-O-Fe bonds both during reaction and by steaming in water vapor at 600 °C as was evidenced by UV-vis and ESR spectroscopy. We supposed that active sites have character of well isolated extraframework sites with tetrahedral coordination characterized by UV bands below 300 nm and ESR signals with g highe (en)
Title	Ammoxidation of Propane over Fe-zeolites: Effect of Reaction Variables and Catalyst Composition and Structure Ammoxidation of Propane over Fe-zeolites: Effect of Reaction Variables and Catalyst Composition and Structure (en)
skos:prefLabel	Ammoxidation of Propane over Fe-zeolites: Effect of Reaction Variables and Catalyst Composition and Structure Ammoxidation of Propane over Fe-zeolites: Effect of Reaction Variables and Catalyst Composition and Structure (en)
skos:notation	RIV/00216275:25310/09:00008496!RIV10-MSM-25310___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA104/07/0214), P(LC512), Z(MSM0021627501)
http://linked.open...iv/cisloPeriodika	3-4
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Raabová, Kateřina Bulánek, Roman Čapek, Libor
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	302646
http://linked.open...ai/riv/idVysledku	RIV/00216275:25310/09:00008496
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Catalysis; Ammoxidation; Propane; Fe-silicalite (en)
http://linked.open.../riv/klicoveSlovo	Propane Ammoxidation Catalysis Fe-silicalite
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[3B69BF336ED9]
http://linked.open...i/riv/nazevZdroje	Catalysis Today
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Center for biomolecules and complex molecular systems Micro- and mesoporous support anchored oxide catalysts for the selective oxidation of C3 and C4 alkanes
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	141
http://linked.open...iv/tvurceVysledku	Bulánek, Roman Raabová, Kateřina Čapek, Libor Košová-Kučerová, Gabriela
http://linked.open...ain/vavai/riv/wos	000264816500003
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	0920-5861
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	25310
is http://linked.open...avai/riv/vysledek of	Ammoxidation of Propane over Fe-zeolites: Effect of Reaction Variables and Catalyst Composition and Structure Ammoxidation of Propane over Fe-zeolites: Effect of Reaction Variables and Catalyst Composition and Structure Ammoxidation of Propane over Fe-zeolites: Effect of Reaction Variables and Catalyst Composition and Structure Ammoxidation of Propane over Fe-zeolites: Effect of Reaction Variables and Catalyst Composition and Structure

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