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

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Description
  • Oxidace propanu kyslíkem, kysličníkem dusným nebo směsí kyslíku s kysličníkem dusným na ZSM-5 zeolitech s nízkým obsahem železa (20-1200 ppm) opracovaných za různých podmínek byla studována při 450 oC. Nejvyšší konverse propanu (51.7 %) a selektivity na propen (39.7 %) a na sumu aromátů a kyslík obsahující deriváty (11.5 %, zejména C1-C3 alkoholů) bylo dosaženo jestliže směs kyslíku a kysličníku dusného byla použita na vodní parou opracovaný FeH-ZSM-5. Na základě ESR výsledků tato aktivita byla připsána mimo-mřížkovým Fe-oxo komplexům tvořených hydrolysou mřížkových Si-O-Fe vazeb s následující extrakcí železa do mimomřížkových poloh. (cs)
  • Oxidation of propane with oxygen, nitrous oxide and 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 .DEG.C. The highest conversion of propane (50 %) and selectivity to propene (40 %) and to the sum of aromatics and oxygenates (11 %, 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 and 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 .DEG.C. The highest conversion of propane (50 %) and selectivity to propene (40 %) and to the sum of aromatics and oxygenates (11 %, 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)
Title
  • Oxidation of Propane with Oxygen and/or Nitrous Oxide over Fe-ZSM-5 with Low Iron Concentrations
  • Oxidace propanu kyslíkem a/nebo kysličníkem dusným na Fe-ZSM-5 s nízkou koncentrací železa (cs)
  • Oxidation of Propane with Oxygen and/or Nitrous Oxide over Fe-ZSM-5 with Low Iron Concentrations (en)
skos:prefLabel
  • Oxidation of Propane with Oxygen and/or Nitrous Oxide over Fe-ZSM-5 with Low Iron Concentrations
  • Oxidace propanu kyslíkem a/nebo kysličníkem dusným na Fe-ZSM-5 s nízkou koncentrací železa (cs)
  • Oxidation of Propane with Oxygen and/or Nitrous Oxide over Fe-ZSM-5 with Low Iron Concentrations (en)
skos:notation
  • RIV/61388955:_____/04:00107579!RIV/2005/AV0/A54005/N
http://linked.open.../vavai/riv/strany
  • 13;22
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA104/03/1120), P(IAA4040007), Z(AV0Z4040901)
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
  • 578676
http://linked.open...ai/riv/idVysledku
  • RIV/61388955:_____/04:00107579
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Fe-MFI; N2O; propane oxidation (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • NL - Nizozemsko
http://linked.open...ontrolniKodProRIV
  • [C06450A65F4D]
http://linked.open...i/riv/nazevZdroje
  • Applied Catalysis
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, R.
  • Kreibich, Viktor
  • Wichterlová, Blanka
  • Novoveská, K.
http://linked.open...n/vavai/riv/zamer
issn
  • 0926-860X
number of pages
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