About: Effect of Pretreatment on the Catalytic Activity of Fe-silicalites in Ammoxidation of Propane

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Fe-silicalite with 2500 ppm of iron was pre-treated under different conditions and tested in ammoxidation of propane. Steaming at 600C usually used for Fe-MFI catalysts is very severe treatment for Fe-silicalite catalyst and better results is obtained by treatment under ammonia/N2O mixture at 540°C. From comparison of catalytic results with spectroscopic characterization can be concluded that isolated Fe species of high symmetry (narrow signal at g - 2.06 and CT band at 250 nm) act as an active sites in propane ammoxidation Fe-silicalite with 2500 ppm of iron was pre-treated under different conditions and tested in ammoxidation of propane. Steaming at 600C usually used for Fe-MFI catalysts is very severe treatment for Fe-silicalite catalyst and better results is obtained by treatment under ammonia/N2O mixture at 540°C. From comparison of catalytic results with spectroscopic characterization can be concluded that isolated Fe species of high symmetry (narrow signal at g - 2.06 and CT band at 250 nm) act as an active sites in propane ammoxidation (en) Fe-silikalit s 2500 ppm železa byl předupravován za různých podmínek a testován v amoxidaci propanu. Běžně užívaná kalcinace ve vodní páře při 600C se zdá být velmi drsným opracováním katalyzátoru a daleko lepší výsledky byly získány na materiálu upravovaném ve směsi amoniaku a N2O při 540 C. Porovnáním výsledků spektroskopických charakterizací vedlo k závěru, že aktivními centry pro amoxidaci propanu jsou izolovaná železa s vysokou symetrií (úzký signál na g - 2.06 a UV-vis pás na 250 nm). (cs)
Title	Effect of Pretreatment on the Catalytic Activity of Fe-silicalites in Ammoxidation of Propane Vliv předúpravy Fe-silikalitů na jejich katalytickou aktivtu v amoxidaci propanu (cs) Effect of Pretreatment on the Catalytic Activity of Fe-silicalites in Ammoxidation of Propane (en)
skos:prefLabel	Effect of Pretreatment on the Catalytic Activity of Fe-silicalites in Ammoxidation of Propane Vliv předúpravy Fe-silikalitů na jejich katalytickou aktivtu v amoxidaci propanu (cs) Effect of Pretreatment on the Catalytic Activity of Fe-silicalites in Ammoxidation of Propane (en)
skos:notation	RIV/00216275:25310/08:00007626!RIV09-GA0-25310___
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(GA104/07/0214), S, Z(MSM0021627501)
http://linked.open...vai/riv/dodaniDat	2009
http://linked.open...aciTvurceVysledku	Raabová, Kateřina Bulánek, Roman Čapek, Libor
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
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	365206
http://linked.open...ai/riv/idVysledku	RIV/00216275:25310/08:00007626
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Ammoxidation; Acrylonitrile; Fe-silicalite; Pretreatment (en)
http://linked.open.../riv/klicoveSlovo	Acrylonitrile Pretreatment Ammoxidation Fe-silicalite
http://linked.open...ontrolniKodProRIV	[6D49B6CF3DF2]
http://linked.open...v/mistoKonaniAkce	Štrbské Pleso, SK
http://linked.open...i/riv/mistoVydani	Bratislava
http://linked.open...i/riv/nazevZdroje	Proceedings of 9th Pannonian International Symposium on Catalysis
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	Micro- and mesoporous support anchored oxide catalysts for the selective oxidation of C3 and C4 alkanes
http://linked.open...UplatneniVysledku	2008
http://linked.open...iv/tvurceVysledku	Bulánek, Roman Raabová, Kateřina Čapek, Libor Košová-Kučerová, Gabriela
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2008-09-12 (xsd:date)
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
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Slovenská technická univerzita v Bratislave
https://schema.org/isbn	978-80-227-2923-9
http://localhost/t...ganizacniJednotka	25310
is http://linked.open...avai/riv/vysledek of	Effect of Pretreatment on the Catalytic Activity of Fe-silicalites in Ammoxidation of Propane Effect of Pretreatment on the Catalytic Activity of Fe-silicalites in Ammoxidation of Propane Effect of Pretreatment on the Catalytic Activity of Fe-silicalites in Ammoxidation of Propane Effect of Pretreatment on the Catalytic Activity of Fe-silicalites in Ammoxidation of Propane

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