About: Oxidation of Perchloroethylene—Activity and Selectivity of Pt, Pd, Rh, and V2O5 Catalysts Supported on Al2O3, Al2O3–TiO2 and Al2O3

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About: Oxidation of Perchloroethylene—Activity and Selectivity of Pt, Pd, Rh, and V2O5 Catalysts Supported on Al2O3, Al2O3–TiO2 and Al2O3–CeO2. Part 2 Goto Sponge Distinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The H2-TPR experiments proved that the enhanced reducibility is the key feature of the catalyst in PCE oxidation: both the activity and the selectivity followed the orders of catalysts’ reducibility. The NH3-TPD measurements showed that the acidity is not the determining property of the catalyst in the PCE oxidation. After the 40.5 h stability test, no carbonaceous species were seen on the Pt/Al2O3–CeO2 catalyst’s surface. During the oxidation strong correlation between the water concentration in the feed and the HCl yield was seen. In the absence of oxygen, i.e. during destructive adsorption, the presence of water had even more pronounced effect on the HCl formation and on the catalysts’ stability. The oxidation of PCE over the Pt/Al2O3 and Pt/Al2O3–CeO2 catalysts and in the presence of excess hydrogen proceeds via detaching the chlorine atoms before the breakage of the carbon–carbon double bond, and hence following the order of the lowest bond energy in each step. The H2-TPR experiments proved that the enhanced reducibility is the key feature of the catalyst in PCE oxidation: both the activity and the selectivity followed the orders of catalysts’ reducibility. The NH3-TPD measurements showed that the acidity is not the determining property of the catalyst in the PCE oxidation. After the 40.5 h stability test, no carbonaceous species were seen on the Pt/Al2O3–CeO2 catalyst’s surface. During the oxidation strong correlation between the water concentration in the feed and the HCl yield was seen. In the absence of oxygen, i.e. during destructive adsorption, the presence of water had even more pronounced effect on the HCl formation and on the catalysts’ stability. The oxidation of PCE over the Pt/Al2O3 and Pt/Al2O3–CeO2 catalysts and in the presence of excess hydrogen proceeds via detaching the chlorine atoms before the breakage of the carbon–carbon double bond, and hence following the order of the lowest bond energy in each step. (en)
Title	Oxidation of Perchloroethylene—Activity and Selectivity of Pt, Pd, Rh, and V2O5 Catalysts Supported on Al2O3, Al2O3–TiO2 and Al2O3–CeO2. Part 2 Oxidation of Perchloroethylene—Activity and Selectivity of Pt, Pd, Rh, and V2O5 Catalysts Supported on Al2O3, Al2O3–TiO2 and Al2O3–CeO2. Part 2 (en)
skos:prefLabel	Oxidation of Perchloroethylene—Activity and Selectivity of Pt, Pd, Rh, and V2O5 Catalysts Supported on Al2O3, Al2O3–TiO2 and Al2O3–CeO2. Part 2 Oxidation of Perchloroethylene—Activity and Selectivity of Pt, Pd, Rh, and V2O5 Catalysts Supported on Al2O3, Al2O3–TiO2 and Al2O3–CeO2. Part 2 (en)
skos:notation	RIV/67985858:_____/12:00379255!RIV13-AV0-67985858
http://linked.open...avai/riv/aktivita	I
http://linked.open...avai/riv/aktivity	I
http://linked.open...iv/cisloPeriodika	SEP 25
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Matějová, Lenka Jirátová, Květa
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	157546
http://linked.open...ai/riv/idVysledku	RIV/67985858:_____/12:00379255
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	catalytic oxidation; emission abatement; destructive adsorption (en)
http://linked.open.../riv/klicoveSlovo	catalytic oxidation destructive adsorption emission abatement
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[6833B9FC8321]
http://linked.open...i/riv/nazevZdroje	Applied Catalysis B - Environmental
http://linked.open...in/vavai/riv/obor	CC
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	126
http://linked.open...iv/tvurceVysledku	Matějová, Lenka Ojala, S. Pitkäaho, S. Jirátová, Květa Keiski, R. L.
http://linked.open...ain/vavai/riv/wos	000309692900024
issn	0926-3373
number of pages	10 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.apcatb.2012.07.025

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