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Description
  • Je podrobně popsán postup přípravy Fe-zeolitických katalyzátorů, zajišťujících přípravu materiálů s železem převažující v mimoskeletálních kationtových polohách a efektivní řízení množství Fe ve výsledném katalyzátoru. Procedura využívá impregnace zeolitu roztokem FeCl3 v acetylacetonu, zajišťuje pokles rychlosti hydrolýzy FeCl3 interakcí s hydroxylovými skupinami zeolitu. Evidence pro přítomnost individuálních kationtů železa v připraveném materiálu je zajištěna souborem metod, zahrnujícím Mossbauerovu spektroskopii, EPR a FTIR. Takto připravený Fe-FER, Fe-BEA a Fe-MFI prokázaly vysokou katalytickou aktivitu a selektivitu pro oxidaci NO, selektivní katalytickou redukci NOx parafíny a N2O rozklad. (cs)
  • The process for preparation of iron-zeolite catalysts is disclosed, providing for targeted preparation of materials with iron prevailing in extraframework cationic positions and efficient control of the amount of iron in the final catalyst. The procedure uses impregnation with FeCl3 solution in acetylacetone, providing for decrease of the rate of FeCl3 hydrolysis by zeolite hydroxyls. Evidence for the state of the iron as a single cation in the prepared material in provided by a cluster of methods, including Mössbauer, EPR and FTIR spectroscopies. Thus prepared Fe-FER, Fe-BEA and Fe-MFI proved their high activity and selectivity for NO oxidation, SCR of NOx by paraffins, and N2O decomposition.
  • The process for preparation of iron-zeolite catalysts is disclosed, providing for targeted preparation of materials with iron prevailing in extraframework cationic positions and efficient control of the amount of iron in the final catalyst. The procedure uses impregnation with FeCl3 solution in acetylacetone, providing for decrease of the rate of FeCl3 hydrolysis by zeolite hydroxyls. Evidence for the state of the iron as a single cation in the prepared material in provided by a cluster of methods, including Mössbauer, EPR and FTIR spectroscopies. Thus prepared Fe-FER, Fe-BEA and Fe-MFI proved their high activity and selectivity for NO oxidation, SCR of NOx by paraffins, and N2O decomposition. (en)
Title
  • Targeted preparation of Fe-zeolites with iron prevailing in extraframework cationic positions
  • Cílená příprava Fe-zeolitů s železem převažujícím v kationtových polohách (cs)
  • Targeted preparation of Fe-zeolites with iron prevailing in extraframework cationic positions (en)
skos:prefLabel
  • Targeted preparation of Fe-zeolites with iron prevailing in extraframework cationic positions
  • Cílená příprava Fe-zeolitů s železem převažujícím v kationtových polohách (cs)
  • Targeted preparation of Fe-zeolites with iron prevailing in extraframework cationic positions (en)
skos:notation
  • RIV/61388955:_____/06:00085831!RIV08-AV0-61388955
http://linked.open.../vavai/riv/strany
  • 889;896
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(1ET400400413), Z(AV0Z40400503)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 503023
http://linked.open...ai/riv/idVysledku
  • RIV/61388955:_____/06:00085831
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Fe-zeolites; catalysis; ZSM-5 (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [9362C4E3C854]
http://linked.open...i/riv/mistoVydani
  • Amsterdam
http://linked.open...vEdiceCisloSvazku
  • Studies in Surface Science and Catalysis
http://linked.open...i/riv/nazevZdroje
  • Scientific Bases for the Preparation of Heterogeneous Catalysts
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Sobalík, Zdeněk
  • Tvarůžková, Zdenka
  • Vondrová, Alena
  • Schwarze, Michael
http://linked.open...n/vavai/riv/zamer
number of pages
http://purl.org/ne...btex#hasPublisher
  • Elsevier
https://schema.org/isbn
  • 0-444-52827-X
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