About: Modification of Co-Mn-Al Mixed Oxide with Potassium and Its Effect on Deep Oxidation of VOC

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Catalytic activity of the Co4MnAl mixed oxide catalyst modified with various amounts of potassium was examined in total oxidation of toluene and ethanol. The prepared catalysts were characterized by AAS, XRD, porous structure, TPR, TPD, voltammetry, Raman spectroscopy and XPS. The highest conversion in toluene oxidation was achieved with catalyst containing ca 1wt % K, while in ethanol oxidation the catalysts activity gradually increased with increasing potassium content up to 3 wt % K, but also increased acetaldehyde concentration. Any reaction byproducts were not observed in toluene oxidation. Catalytic activity in ethanol oxidation is connected with the presence of MnO2 in the catalyst. XPS spectroscopy proved a correlation between concentration surface oxygen and activity in ethanol oxidation. According to XRD and voltammetry measurements, the catalysts with high concentration of potassium comprised some amount of other oxide phase of birnessite type. Catalytic activity of the Co4MnAl mixed oxide catalyst modified with various amounts of potassium was examined in total oxidation of toluene and ethanol. The prepared catalysts were characterized by AAS, XRD, porous structure, TPR, TPD, voltammetry, Raman spectroscopy and XPS. The highest conversion in toluene oxidation was achieved with catalyst containing ca 1wt % K, while in ethanol oxidation the catalysts activity gradually increased with increasing potassium content up to 3 wt % K, but also increased acetaldehyde concentration. Any reaction byproducts were not observed in toluene oxidation. Catalytic activity in ethanol oxidation is connected with the presence of MnO2 in the catalyst. XPS spectroscopy proved a correlation between concentration surface oxygen and activity in ethanol oxidation. According to XRD and voltammetry measurements, the catalysts with high concentration of potassium comprised some amount of other oxide phase of birnessite type. (en)
Title	Modification of Co-Mn-Al Mixed Oxide with Potassium and Its Effect on Deep Oxidation of VOC Modification of Co-Mn-Al Mixed Oxide with Potassium and Its Effect on Deep Oxidation of VOC (en)
skos:prefLabel	Modification of Co-Mn-Al Mixed Oxide with Potassium and Its Effect on Deep Oxidation of VOC Modification of Co-Mn-Al Mixed Oxide with Potassium and Its Effect on Deep Oxidation of VOC (en)
skos:notation	RIV/61388980:_____/09:00327237!RIV10-AV0-61388980
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)
http://linked.open...iv/cisloPeriodika	1-2
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Grygar, Tomáš
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 anorganické chemie AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	327102
http://linked.open...ai/riv/idVysledku	RIV/61388980:_____/09:00327237
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	mixed oxide catalysts; VOC total oxidation; potassium promoter (en)
http://linked.open.../riv/klicoveSlovo	potassium promoter VOC total oxidation mixed oxide catalysts
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[5B2B391CDF4C]
http://linked.open...i/riv/nazevZdroje	Applied Catalysis A - General
http://linked.open...in/vavai/riv/obor	CC
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (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	361
http://linked.open...iv/tvurceVysledku	Grygar, Tomáš Gaálová, Jana Bastl, Zdeněk Kovanda, F. Jirátová, Květa Klempa, Jan
http://linked.open...ain/vavai/riv/wos	000267092800015
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
issn	0926-860X
number of pages	11 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Modification of Co-Mn-Al Mixed Oxide with Potassium and Its Effect on Deep Oxidation of VOC Modification of Co-Mn-Al Mixed Oxide with Potassium and Its Effect on Deep Oxidation of VOC Modification of Co-Mn-Al Mixed Oxide with Potassium and Its Effect on Deep Oxidation of VOC Modification of Co-Mn-Al Mixed Oxide with Potassium and Its Effect on Deep Oxidation of VOC

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