About: Oxidation of Propane with Oxygen and/or Nitrous Oxide over Fe-ZMS-5 with Low Iron Concentrations     Goto   Sponge   NotDistinct   Permalink

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  • Oxidation of propane with oxygen, nitrous oxide or oxygen together with nitrous oxide over ZSM-5 zeolites with low concentration of iron (30-1200 ppm) treated at various conditions was studied at 450°C. The highest conversion of propane (51.7 %) and selectivity to propene (39.7 %) and to the sum of aromatics and oxygenates (11.5 %, mainly C1-C3 alcohols) was achieved if a mixture of oxygen with nitrous oxide was used as oxidant over the steamed FeH-ZSM-5. Based on the ESR results this activity was ascribed to extra-framework Fe-oxo complexes generated by hydrolysis of framework Si-O-Fe bonds followed by extraction of iron to extra-framework positions.
  • Oxidation of propane with oxygen, nitrous oxide or oxygen together with nitrous oxide over ZSM-5 zeolites with low concentration of iron (30-1200 ppm) treated at various conditions was studied at 450°C. The highest conversion of propane (51.7 %) and selectivity to propene (39.7 %) and to the sum of aromatics and oxygenates (11.5 %, mainly C1-C3 alcohols) was achieved if a mixture of oxygen with nitrous oxide was used as oxidant over the steamed FeH-ZSM-5. Based on the ESR results this activity was ascribed to extra-framework Fe-oxo complexes generated by hydrolysis of framework Si-O-Fe bonds followed by extraction of iron to extra-framework positions. (en)
  • Oxidace propanu s kyslíkem, oxidem dusným nebo jejich směsí na ZSM-5 zeolitech s nizkým obsahem železa (30-1200 ppm) upravovaných při různých podmínkách byla studována při 450 °C. Nejvyšší konverze propanu (51.7 %) se selektivitami propenu 39.7 % a selektivitami na oxoderiváty a aromáty 11.5 % bylo dosaženo v případě použití směsi kyslíku a oxidu dusného na FeH-ZSM-5 zeolitu upraveném ve vodní páře při 600 °C. Na základě EPR spektroskopie byla tato aktivita přiřazena mimomřížkovým Fe-oxo komplexům vznikajících hydrolýzou mřížkových Fe-O-Si vazeb následovaných vytažením železa do mimomřížkových pozic. (cs)
Title
  • Oxidation of Propane with Oxygen and/or Nitrous Oxide over Fe-ZMS-5 with Low Iron Concentrations
  • Oxidation of Propane with Oxygen and/or Nitrous Oxide over Fe-ZMS-5 with Low Iron Concentrations (en)
  • Oxidace propanu kyslíkem a/nebo oxidem dusným na Fe-ZSM-5 zeolitech s nízkou koncentrací železa. (cs)
skos:prefLabel
  • Oxidation of Propane with Oxygen and/or Nitrous Oxide over Fe-ZMS-5 with Low Iron Concentrations
  • Oxidation of Propane with Oxygen and/or Nitrous Oxide over Fe-ZMS-5 with Low Iron Concentrations (en)
  • Oxidace propanu kyslíkem a/nebo oxidem dusným na Fe-ZSM-5 zeolitech s nízkou koncentrací železa. (cs)
skos:notation
  • RIV/00216275:25310/04:00001873!RIV08-GA0-25310___
http://linked.open.../vavai/riv/strany
  • 13-22
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA104/03/1120)
http://linked.open...iv/cisloPeriodika
  • 1
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
  • 578675
http://linked.open...ai/riv/idVysledku
  • RIV/00216275:25310/04:00001873
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Fe-ZSM5; alpha-oxygen; N2O; propane oxidation; oxidative dehydrogenation; selective oxidations (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • NL - Nizozemsko
http://linked.open...ontrolniKodProRIV
  • [3D756E21EF58]
http://linked.open...i/riv/nazevZdroje
  • Applied catalysis A-General
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...v/svazekPeriodika
  • 264
http://linked.open...iv/tvurceVysledku
  • Bulánek, Roman
  • Wichterlová, Blanka
  • Novoveská, Kateřina
issn
  • 0926-860X
number of pages
http://localhost/t...ganizacniJednotka
  • 25310
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