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Statements

Subject Item
n2:RIV%2F67985858%3A_____%2F11%3A00365738%21RIV12-AV0-67985858
rdf:type
n10:Vysledek skos:Concept
dcterms:description
The Ce-Zr mixed oxides, prepared by the sol-gel method, have been examined as supports for platinum and gold in deep oxidation of ethanol and toluene. A weight ratio of Ce/Zr in the synthesized supports was 1/1. Two supported noble metals with a different loading (2.5 and 0.3 wt. %) were compared to each other as well as to selected industrial catalysts (HHC-5557 and VOC-1544). New platinum catalysts showed better activity in oxidation of ethanol and toluene than their gold homologues. Furthermore, they were comparable or even more active than industrial samples (50 % conversion of ethanol was achieved with 2.5Pt/CeZr at 99 °C). On the other hand, gold catalysts proved the best selectivity in oxidation of both model molecules from all tested samples. The additional contributions of present article are the characterizations of catalysts such as XRD, TPR-TPD or FE-SEM. The Ce-Zr mixed oxides, prepared by the sol-gel method, have been examined as supports for platinum and gold in deep oxidation of ethanol and toluene. A weight ratio of Ce/Zr in the synthesized supports was 1/1. Two supported noble metals with a different loading (2.5 and 0.3 wt. %) were compared to each other as well as to selected industrial catalysts (HHC-5557 and VOC-1544). New platinum catalysts showed better activity in oxidation of ethanol and toluene than their gold homologues. Furthermore, they were comparable or even more active than industrial samples (50 % conversion of ethanol was achieved with 2.5Pt/CeZr at 99 °C). On the other hand, gold catalysts proved the best selectivity in oxidation of both model molecules from all tested samples. The additional contributions of present article are the characterizations of catalysts such as XRD, TPR-TPD or FE-SEM.
dcterms:title
Gold versus Platinum on Ceria-Zirconia Mixed Oxides in Oxidation of Ethanol and Toluene Gold versus Platinum on Ceria-Zirconia Mixed Oxides in Oxidation of Ethanol and Toluene
skos:prefLabel
Gold versus Platinum on Ceria-Zirconia Mixed Oxides in Oxidation of Ethanol and Toluene Gold versus Platinum on Ceria-Zirconia Mixed Oxides in Oxidation of Ethanol and Toluene
skos:notation
RIV/67985858:_____/11:00365738!RIV12-AV0-67985858
n10:predkladatel
n11:ico%3A67985858
n3:aktivita
n4:P n4:Z
n3:aktivity
P(FR-TI1/059), P(GAP106/11/0902), P(GPP106/10/P019), Z(AV0Z40720504)
n3:cisloPeriodika
1
n3:dodaniDat
n16:2012
n3:domaciTvurceVysledku
n14:9345531 n14:4524845 n14:3040291 n14:3807290
n3:druhVysledku
n7:J
n3:duvernostUdaju
n19:S
n3:entitaPredkladatele
n9:predkladatel
n3:idSjednocenehoVysledku
201412
n3:idVysledku
RIV/67985858:_____/11:00365738
n3:jazykVysledku
n6:eng
n3:klicovaSlova
cerium; zirconium; gold
n3:klicoveSlovo
n5:gold n5:zirconium n5:cerium
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[0D4E319AB296]
n3:nazevZdroje
Catalysis Today
n3:obor
n17:CF
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
4
n3:projekt
n18:GAP106%2F11%2F0902 n18:FR-TI1%2F059 n18:GPP106%2F10%2FP019
n3:rokUplatneniVysledku
n16:2011
n3:svazekPeriodika
175
n3:tvurceVysledku
Gaálová, Jana Šolcová, Olga Kaluža, Luděk Topka, Pavel
n3:wos
000295735400034
n3:zamer
n8:AV0Z40720504
s:issn
0920-5861
s:numberOfPages
7
n20:doi
10.1016/j.cattod.2011.05.011