About: Total Oxidation of Dichloromethane and Ethanol over Ceria-Zirconia Mixed Oxide Supported Platinum and Gold Catalysts

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Ce0.5Zr0.5O2 prepared by sol-gel method was used as a support for platinum and gold catalysts that were tested in total oxidation of dichloromethane and ethanol. It was shown that the deposition of platinum and gold on Ce0.5Zr0.5O2 support enhanced the reducibility of surface ceria which provided more oxygen available for the catalytic reaction. This phenomenon was more pronounced for platinum catalysts. Introduction of both noble metals led to the decrease of catalysts acidity. In total oxidation of dichloromethane, the noble metal catalysts showed lower catalytic performance compared to parent Ce0.5Zr0.5O2 due to lower amount of acid sites that act as chemisorption sites for chlorinated compounds. On the other hand, platinum catalysts exhibited significantly enhanced selectivity to CO2 in comparison with the Ce0.5Zr0.5O2 support. In total oxidation of ethanol, the deposition of platinum on Ce0.5Zr0.5O2 resulted in a significant increase of catalytic performance. Ce0.5Zr0.5O2 prepared by sol-gel method was used as a support for platinum and gold catalysts that were tested in total oxidation of dichloromethane and ethanol. It was shown that the deposition of platinum and gold on Ce0.5Zr0.5O2 support enhanced the reducibility of surface ceria which provided more oxygen available for the catalytic reaction. This phenomenon was more pronounced for platinum catalysts. Introduction of both noble metals led to the decrease of catalysts acidity. In total oxidation of dichloromethane, the noble metal catalysts showed lower catalytic performance compared to parent Ce0.5Zr0.5O2 due to lower amount of acid sites that act as chemisorption sites for chlorinated compounds. On the other hand, platinum catalysts exhibited significantly enhanced selectivity to CO2 in comparison with the Ce0.5Zr0.5O2 support. In total oxidation of ethanol, the deposition of platinum on Ce0.5Zr0.5O2 resulted in a significant increase of catalytic performance. (en)
Title	Total Oxidation of Dichloromethane and Ethanol over Ceria-Zirconia Mixed Oxide Supported Platinum and Gold Catalysts Total Oxidation of Dichloromethane and Ethanol over Ceria-Zirconia Mixed Oxide Supported Platinum and Gold Catalysts (en)
skos:prefLabel	Total Oxidation of Dichloromethane and Ethanol over Ceria-Zirconia Mixed Oxide Supported Platinum and Gold Catalysts Total Oxidation of Dichloromethane and Ethanol over Ceria-Zirconia Mixed Oxide Supported Platinum and Gold Catalysts (en)
skos:notation	RIV/67985858:_____/13:00392859!RIV14-GA0-67985858
http://linked.open...avai/predkladatel	Ústav chemických procesů Akademie Věd ČR, v.v.i.
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GP13-24186P)
http://linked.open...iv/cisloPeriodika	OCT-NOV
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Matějová, Lenka Gaálová, Jana Kaluža, Luděk Topka, Pavel
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	Ústav chemických procesů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	111313
http://linked.open...ai/riv/idVysledku	RIV/67985858:_____/13:00392859
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	gold; platinum; ceria (en)
http://linked.open.../riv/klicoveSlovo	platinum ceria gold
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[C1136D0B1151]
http://linked.open...i/riv/nazevZdroje	Applied Catalysis B - Environmental
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Keramické monolity s katalytickou vrstvou pro úplnou oxidaci těkavých organických látek
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	142-143
http://linked.open...iv/tvurceVysledku	Gaálová, Jana Matějová, Lenka Ojala, S. Pitkäaho, S. Topka, Pavel Kaluža, Luděk Keiski, R. L.
http://linked.open...ain/vavai/riv/wos	000324077600007
issn	0926-3373
number of pages	11 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.apcatb.2013.04.069

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