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Statements

Subject Item
n2:RIV%2F61989100%3A27360%2F09%3A00022078%21RIV10-MSM-27360___
rdf:type
skos:Concept n17:Vysledek
dcterms:description
The Ni-Al layered double hydroxides (LDHs) with Ni/Al molar ratio of 2, 3, and 4 were prepared by coprecipitation and treated under hydrothermal conditions at 180 °C. Hydrothermal treatment increased significantly the crystallite size of coprecipitated samples. Gradual crystallization of NiO-like mixed oxide was observed at higher temperatures. Hydrothermal treatment improved thermal stability of the Ni2Al and Ni3Al LDHs but only a slight effect of hydrothermal treatment was observed with the Ni4Al sample. Hydrothermal aging of the LDHs resulted in decreasing content of the amorphous component and enhanced substitution of Al cations into NiO-like structure. The hydrothermally treated samples also exhibited a worse reducibility of Ni2+ components and an increase in pore size with increasing time of hydrothermal aging. The hydrothermal treatment of LDH precursor significantly improved the catalytic activity of Ni2Al mixed oxides in N2O decomposition. The Ni-Al layered double hydroxides (LDHs) with Ni/Al molar ratio of 2, 3, and 4 were prepared by coprecipitation and treated under hydrothermal conditions at 180 °C. Hydrothermal treatment increased significantly the crystallite size of coprecipitated samples. Gradual crystallization of NiO-like mixed oxide was observed at higher temperatures. Hydrothermal treatment improved thermal stability of the Ni2Al and Ni3Al LDHs but only a slight effect of hydrothermal treatment was observed with the Ni4Al sample. Hydrothermal aging of the LDHs resulted in decreasing content of the amorphous component and enhanced substitution of Al cations into NiO-like structure. The hydrothermally treated samples also exhibited a worse reducibility of Ni2+ components and an increase in pore size with increasing time of hydrothermal aging. The hydrothermal treatment of LDH precursor significantly improved the catalytic activity of Ni2Al mixed oxides in N2O decomposition.
dcterms:title
Effect of hydrothermal treatment on properties of Ni-Al layered double hydroxides and related mixed oxides Effect of hydrothermal treatment on properties of Ni-Al layered double hydroxides and related mixed oxides
skos:prefLabel
Effect of hydrothermal treatment on properties of Ni-Al layered double hydroxides and related mixed oxides Effect of hydrothermal treatment on properties of Ni-Al layered double hydroxides and related mixed oxides
skos:notation
RIV/61989100:27360/09:00022078!RIV10-MSM-27360___
n3:aktivita
n5:Z n5:P
n3:aktivity
P(GA104/07/1400), Z(AV0Z40320502), Z(AV0Z40400503), Z(AV0Z40720504), Z(MSM6046137302), Z(MSM6198910016)
n3:cisloPeriodika
1
n3:dodaniDat
n11:2010
n3:domaciTvurceVysledku
n9:6800335 n9:3750396
n3:druhVysledku
n19:J
n3:duvernostUdaju
n13:S
n3:entitaPredkladatele
n6:predkladatel
n3:idSjednocenehoVysledku
312128
n3:idVysledku
RIV/61989100:27360/09:00022078
n3:jazykVysledku
n16:eng
n3:klicovaSlova
layered double hydroxides; hydrotalcite-like compounds; thermal decomposition
n3:klicoveSlovo
n4:layered%20double%20hydroxides n4:hydrotalcite-like%20compounds n4:thermal%20decomposition
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[8E380A1F5198]
n3:nazevZdroje
Journal of Solid State Chemistry
n3:obor
n14:CA
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
8
n3:projekt
n15:GA104%2F07%2F1400
n3:rokUplatneniVysledku
n11:2009
n3:svazekPeriodika
182
n3:tvurceVysledku
Jirátová, Květa Grygar, T. Obalová, Lucie Bezdička, P. Rojka, T. Bastl, Z. Pacultová, Kateřina Kovanda, F.
n3:wos
000262546200004
n3:zamer
n10:MSM6198910016 n10:AV0Z40720504 n10:MSM6046137302 n10:AV0Z40320502 n10:AV0Z40400503
s:issn
0022-4596
s:numberOfPages
10
n18:organizacniJednotka
27360