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Statements

Subject Item
n2:RIV%2F61989100%3A27360%2F09%3A00022015%21RIV10-MSM-27360___
rdf:type
n11:Vysledek skos:Concept
dcterms:description
The effect of pelleting pressure (0-10 MPa) during the preparation of Co-Mn-Al mixed oxide catalyst on its texture and activity for N2O catalytic decomposition was examined for small grain sizes used in laboratory experiments, and for model industry catalyst particles. Adsorption/desorption measurements of nitrogen, mercury porosimetry and helium pycnometry were used for detail characterization of porous structure. A volume of micropores of about 20 mm3 g1 was evaluated using modified BET equation. This value did practically not change with the increasing pelletization pressure except that of the sample formed at the pressure of 10 MPa. Although an increase of pelleting pressure caused an increase in bulk density and a decrease in pore size and pore volume of the prepared catalyst (resulting in lower values of N2O effective diffusion coefficient), no direct correlation between pelleting pressure used and catalyst activity has been found. The effect of pelleting pressure (0-10 MPa) during the preparation of Co-Mn-Al mixed oxide catalyst on its texture and activity for N2O catalytic decomposition was examined for small grain sizes used in laboratory experiments, and for model industry catalyst particles. Adsorption/desorption measurements of nitrogen, mercury porosimetry and helium pycnometry were used for detail characterization of porous structure. A volume of micropores of about 20 mm3 g1 was evaluated using modified BET equation. This value did practically not change with the increasing pelletization pressure except that of the sample formed at the pressure of 10 MPa. Although an increase of pelleting pressure caused an increase in bulk density and a decrease in pore size and pore volume of the prepared catalyst (resulting in lower values of N2O effective diffusion coefficient), no direct correlation between pelleting pressure used and catalyst activity has been found.
dcterms:title
N2O catalytic decomposition - effect of pelleting pressure on activity of Co-Mn-Al mixed oxide catalysts N2O catalytic decomposition - effect of pelleting pressure on activity of Co-Mn-Al mixed oxide catalysts
skos:prefLabel
N2O catalytic decomposition - effect of pelleting pressure on activity of Co-Mn-Al mixed oxide catalysts N2O catalytic decomposition - effect of pelleting pressure on activity of Co-Mn-Al mixed oxide catalysts
skos:notation
RIV/61989100:27360/09:00022015!RIV10-MSM-27360___
n3:aktivita
n8:P n8:Z
n3:aktivity
P(GA104/07/1400), Z(AV0Z40720504), Z(MSM6046137302), Z(MSM6198910016)
n3:cisloPeriodika
2
n3:dodaniDat
n12:2010
n3:domaciTvurceVysledku
n7:3750396 n7:5845467 n7:6800335
n3:druhVysledku
n6:J
n3:duvernostUdaju
n13:S
n3:entitaPredkladatele
n9:predkladatel
n3:idSjednocenehoVysledku
330348
n3:idVysledku
RIV/61989100:27360/09:00022015
n3:jazykVysledku
n18:eng
n3:klicovaSlova
pelleting pressure; nitrous oxide; catalytic decomposition; mixed oxide; layered double hydroxides
n3:klicoveSlovo
n16:mixed%20oxide n16:catalytic%20decomposition n16:nitrous%20oxide n16:layered%20double%20hydroxides n16:pelleting%20pressure
n3:kodStatuVydavatele
PL - Polská republika
n3:kontrolniKodProRIV
[1DA70662A994]
n3:nazevZdroje
Chemical Papers
n3:obor
n19:CF
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
5
n3:projekt
n17:GA104%2F07%2F1400
n3:rokUplatneniVysledku
n12:2009
n3:svazekPeriodika
63
n3:tvurceVysledku
Galejová, Kateřina Kovanda, F. Obalová, Lucie Jirátová, Květa Pacultová, Kateřina
n3:wos
000263300100011
n3:zamer
n15:AV0Z40720504 n15:MSM6046137302 n15:MSM6198910016
s:issn
0366-6352
s:numberOfPages
8
n14:organizacniJednotka
27360