About: Effect of hydrothermal treatment on properties of Ni-Al layered double hydroxides and related mixed oxides

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
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. (en)
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 (en)
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 (en)
skos:notation	RIV/61989100:27360/09:00022078!RIV10-MSM-27360___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA104/07/1400), Z(AV0Z40320502), Z(AV0Z40400503), Z(AV0Z40720504), Z(MSM6046137302), Z(MSM6198910016)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Obalová, Lucie Pacultová, Kateřina
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola báňská - Technická univerzita Ostrava / Fakulta metalurgie a materiálového inženýrství
http://linked.open...dnocenehoVysledku	312128
http://linked.open...ai/riv/idVysledku	RIV/61989100:27360/09:00022078
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	layered double hydroxides; hydrotalcite-like compounds; thermal decomposition (en)
http://linked.open.../riv/klicoveSlovo	thermal decomposition hydrotalcite-like compounds layered double hydroxides
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[8E380A1F5198]
http://linked.open...i/riv/nazevZdroje	Journal of Solid State Chemistry
http://linked.open...in/vavai/riv/obor	CA
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	8 (xsd:int)
http://linked.open...vavai/riv/projekt	Deposition of oxide catalysts for oxidation of VOC onto preformed support and their modification by nanoparticles of noble metals
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	182
http://linked.open...iv/tvurceVysledku	Obalová, Lucie Bastl, Z. Kovanda, F. Jirátová, Květa Bezdička, P. Pacultová, Kateřina Grygar, T. Rojka, T.
http://linked.open...ain/vavai/riv/wos	000262546200004
http://linked.open...n/vavai/riv/zamer	Design, syntéza a charakterizace klastrů, kompozitů, komplexů a dalších sloučenin na bázi anorganických látek; mechanismy a kinetika jejich interakcí Struktura, reaktivita a dynamika molekulárních a biomolekulárních systémů: teorie, experiment, aplikace Investigation of multiphase reacting systems for the design of processes important in synthesis and preparation of novel materials, in energy production and in environmental protection Preparation and research of functional materials and material technologies using micro- and nanoscopic methods Syntéza, struktura a vlastnosti nanomateriálů založených na bázi interkalovaných fylosylikátů
issn	0022-4596
number of pages	10 (xsd:int)
http://localhost/t...ganizacniJednotka	27360

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