About: Meso-scale modelling of CO oxidation in digitally reconstructed porous Pt/-Al2O3 catalyst     Goto   Sponge   NotDistinct   Permalink

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Description
  • In this paper we present a methodology for modelling of local reaction-transport processes in a digitally reconstructed, porous heterogeneous catalyst. Several 3D porous structures have been digitally reconstructed from the typical scanning electron microscopy images of Pt/-Al2O3 catalytic washcoats of monoliths. Typical dependences of overall CO reaction rate and the effectiveness factor on the temperature and properties of the porous Pt/-Al2O3 structure (washcoat macro-porosity, characteristic size of the macro-pores, the size of Pt/-Al2O3 particles, noble metal loading and distribution) are evaluated.
  • In this paper we present a methodology for modelling of local reaction-transport processes in a digitally reconstructed, porous heterogeneous catalyst. Several 3D porous structures have been digitally reconstructed from the typical scanning electron microscopy images of Pt/-Al2O3 catalytic washcoats of monoliths. Typical dependences of overall CO reaction rate and the effectiveness factor on the temperature and properties of the porous Pt/-Al2O3 structure (washcoat macro-porosity, characteristic size of the macro-pores, the size of Pt/-Al2O3 particles, noble metal loading and distribution) are evaluated. (en)
  • V článku je představena metodika pro modelování místních reakčně-tramsportních procesů v počítačově rekonstruovaném, porésním heterogenním katalysátoru. Na základě snímků typické Pt/-Al2O3 katalytické vrstvy voštinového reaktoru je počítačově rekonstruováno několik 3D porésních struktur. Jsou vyhodnoceny reakční rychlosti a faktoru účinnosti pro oxidaci CO v závislosti na porésní struktuře Pt/-Al2O3 (makroporosita, charakteristický rozměr makropórů, velikost částic -Al2O3, koncentrace a rozložení Pt). (cs)
Title
  • Meso-scale modelling of CO oxidation in digitally reconstructed porous Pt/-Al2O3 catalyst
  • Meso-scale modelling of CO oxidation in digitally reconstructed porous Pt/-Al2O3 catalyst (en)
  • Modelování oxidace CO na počítačově rekonstruovaném Pt/-Al2O3 katalysátoru (cs)
skos:prefLabel
  • Meso-scale modelling of CO oxidation in digitally reconstructed porous Pt/-Al2O3 catalyst
  • Meso-scale modelling of CO oxidation in digitally reconstructed porous Pt/-Al2O3 catalyst (en)
  • Modelování oxidace CO na počítačově rekonstruovaném Pt/-Al2O3 katalysátoru (cs)
skos:notation
  • RIV/60461373:22340/06:00016735!RIV07-MSM-22340___
http://linked.open.../vavai/riv/strany
  • 3240-3249
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA104/05/2616), P(GP104/06/P301), Z(MSM6046137306)
http://linked.open...iv/cisloPeriodika
  • 10
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
  • 484972
http://linked.open...ai/riv/idVysledku
  • RIV/60461373:22340/06:00016735
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • meso-scale modelling; Pt/ -Al2O3 catalyst; CO oxidation; porous structure; digital reconstruction; simulation (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • IE - Irsko
http://linked.open...ontrolniKodProRIV
  • [E99F28D00E1F]
http://linked.open...i/riv/nazevZdroje
  • Chemical Engineering Science
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
  • 61
http://linked.open...iv/tvurceVysledku
  • Kočí, Petr
  • Štěpánek, František
  • Kubíček, Milan
  • Marek, Miloš
http://linked.open...n/vavai/riv/zamer
issn
  • 0009-2509
number of pages
http://localhost/t...ganizacniJednotka
  • 22340
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