About: Properties and Activity of Modified Ni-Mg-Mn and Co-Mn-Al Mixed Oxides in Total Oxidation of VOCs.

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About: Properties and Activity of Modified Ni-Mg-Mn and Co-Mn-Al Mixed Oxides in Total Oxidation of VOCs. Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In this work, NiMgMn and CoMnAl mixed oxide system were modified with a small amount of noble metals (Pd, Pt) or La during coprecipitation to improve their catalytic properties. Catalysts were characterized by BET, TPR, TPD and thein activity and selektivity in total oxidation of toluene or ethanol was examined (GHSW=10 m3kg-1h-1). The NiMgMn catalyst promoted with 3 wt% La was the most active in both toluene and ethanol oxidation.The reaction product obtained at higher conversion of toluene over the parent mixed oxi de catalysts was only CO2. The products of ethanol oxidation apart from CO2, acetaldehyde and acetin acid were detected. Modification of CoMnAl mixed oxide decreased formation of acetaldehyde to non-detectable values at ethanol conversion higher than 80%. In this work, NiMgMn and CoMnAl mixed oxide system were modified with a small amount of noble metals (Pd, Pt) or La during coprecipitation to improve their catalytic properties. Catalysts were characterized by BET, TPR, TPD and thein activity and selektivity in total oxidation of toluene or ethanol was examined (GHSW=10 m3kg-1h-1). The NiMgMn catalyst promoted with 3 wt% La was the most active in both toluene and ethanol oxidation.The reaction product obtained at higher conversion of toluene over the parent mixed oxi de catalysts was only CO2. The products of ethanol oxidation apart from CO2, acetaldehyde and acetin acid were detected. Modification of CoMnAl mixed oxide decreased formation of acetaldehyde to non-detectable values at ethanol conversion higher than 80%. (en) Tato práce se zabývá modifikaci směsných NiMgMn a CoMnAl oxidů malým množstvím vzácných kovů (Pt, Pd) a La během jejich přípravy (koprecipitace). Všechny katalyzátory byly charakterizovány BET, TPR, TPD a byla změřena jejich aktivita a selektivita při úplné oxidaci toluenu a ethanolu (GHSW=10 m3kg-1h-1). Nejaktivnější katalyzátory pro oxidaci toluenu a ethanolu byly NiMgMn modifikované 3hm.% La. Během oxidace toluenu, nedocházelo ke vzniku žádných meziproduktů. Avšak acetaldehyd a kyselina octová byly hlavní meziprodukty při oxidaci ethanolu. Modifikací CoMnAl se mnozstvi meziproduktů při oxidaci ethanolu snížilo. (cs)
Title	Properties and Activity of Modified Ni-Mg-Mn and Co-Mn-Al Mixed Oxides in Total Oxidation of VOCs. Vlastnosti NiMgMn a CoMnAl modifikovaných katalyzátorů a jejih aktivita při totální oxidaci VOC. (cs) Properties and Activity of Modified Ni-Mg-Mn and Co-Mn-Al Mixed Oxides in Total Oxidation of VOCs. (en)
skos:prefLabel	Properties and Activity of Modified Ni-Mg-Mn and Co-Mn-Al Mixed Oxides in Total Oxidation of VOCs. Vlastnosti NiMgMn a CoMnAl modifikovaných katalyzátorů a jejih aktivita při totální oxidaci VOC. (cs) Properties and Activity of Modified Ni-Mg-Mn and Co-Mn-Al Mixed Oxides in Total Oxidation of VOCs. (en)
skos:notation	RIV/67985858:_____/07:00091256!RIV08-AV0-67985858
http://linked.open.../vavai/riv/strany	173
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA104/07/1400), P(GD203/03/H140), Z(AV0Z40720504), Z(MSM6046137302)
http://linked.open...vai/riv/dodaniDat	2008
http://linked.open...aciTvurceVysledku	Mikulová, Zuzana Jirátová, Květa Klempa, Jan
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
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	445378
http://linked.open...ai/riv/idVysledku	RIV/67985858:_____/07:00091256
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	catalytic oxidation; voc; promotors (en)
http://linked.open.../riv/klicoveSlovo	catalytic oxidation promotors voc
http://linked.open...ontrolniKodProRIV	[26E67995B78A]
http://linked.open...v/mistoKonaniAkce	Tatranské Matliare
http://linked.open...i/riv/mistoVydani	Bratislava
http://linked.open...i/riv/nazevZdroje	Proceedings
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Organised materials for highly selective catalytic and separation processes Deposition of oxide catalysts for oxidation of VOC onto preformed support and their modification by nanoparticles of noble metals
http://linked.open...UplatneniVysledku	2007
http://linked.open...iv/tvurceVysledku	Mikulová, Zuzana Kovanda, F. Jirátová, Květa Klempa, Jan
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2007-05-21 (xsd:date)
http://linked.open...n/vavai/riv/zamer	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
number of pages	12 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Slovak Society of Chemical Engineering
https://schema.org/isbn	978-80-227-2640-5

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