About: The decisive role of the distribution of Al in the framework of beta zeolites on the structure and activity of Co ion species in propane-SCR-NOx in the presence of water vapour

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About: The decisive role of the distribution of Al in the framework of beta zeolites on the structure and activity of Co ion species in propane-SCR-NOx in the presence of water vapour Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The role of the distribution of aluminium in the framework of beta zeolites in the formation of various types of counter Co species of different activity in C3H8-SCR-NO in the absence/presence of 10% water vapour was investigated. Different concentrations of Al atoms in the Al-O-(Si-O)(2)-Al sequences in one ring (Al pairs) and isolated Al atoms in Al-O-(Si-O)(n>2)-Al sequences located in two framework rings of parent BEA* zeolites were obtained by variation of the zeolite synthesis and by post-synthesis dealumination. Al atoms in the framework and their distribution were characterized by the combination of Si-29 MAS NMR of the parent BEA* zeolites and UV-Vis spectroscopy of the maximum-Co(II)-loaded BEA. The concentration of Al pairs corresponded to the concentration of bare Co(II) ions in dehydrated maximum exchanged-Co(II)-BEA calculated from the Vis spectra. The role of the distribution of aluminium in the framework of beta zeolites in the formation of various types of counter Co species of different activity in C3H8-SCR-NO in the absence/presence of 10% water vapour was investigated. Different concentrations of Al atoms in the Al-O-(Si-O)(2)-Al sequences in one ring (Al pairs) and isolated Al atoms in Al-O-(Si-O)(n>2)-Al sequences located in two framework rings of parent BEA* zeolites were obtained by variation of the zeolite synthesis and by post-synthesis dealumination. Al atoms in the framework and their distribution were characterized by the combination of Si-29 MAS NMR of the parent BEA* zeolites and UV-Vis spectroscopy of the maximum-Co(II)-loaded BEA. The concentration of Al pairs corresponded to the concentration of bare Co(II) ions in dehydrated maximum exchanged-Co(II)-BEA calculated from the Vis spectra. (en)
Title	The decisive role of the distribution of Al in the framework of beta zeolites on the structure and activity of Co ion species in propane-SCR-NOx in the presence of water vapour The decisive role of the distribution of Al in the framework of beta zeolites on the structure and activity of Co ion species in propane-SCR-NOx in the presence of water vapour (en)
skos:prefLabel	The decisive role of the distribution of Al in the framework of beta zeolites on the structure and activity of Co ion species in propane-SCR-NOx in the presence of water vapour The decisive role of the distribution of Al in the framework of beta zeolites on the structure and activity of Co ion species in propane-SCR-NOx in the presence of water vapour (en)
skos:notation	RIV/61388955:_____/10:00357798!RIV11-AV0-61388955
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IAA400400904), P(KAN100400702), Z(AV0Z40400503)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Wichterlová, Blanka Čapek, Libor Sazama, Petr Dědeček, Jiří
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 fyzikální chemie J. Heyrovského AV ČR, v.v.i.
http://linked.open...dnocenehoVysledku	253050
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/10:00357798
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Co-beta zeolites; Al distribution; SCR-NOx (en)
http://linked.open.../riv/klicoveSlovo	SCR-NOx Al distribution Co-beta zeolites
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[92AA0A59A052]
http://linked.open...i/riv/nazevZdroje	Journal of Catalysis
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	NMR crystallography of extraframework sites in silicon rich zeolites Nanostructured materials for catalytic, electrocatalytic and sorption applications
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	272
http://linked.open...iv/tvurceVysledku	Dědeček, Jiří Sazama, Petr Wichterlová, Blanka Čapek, Libor
http://linked.open...ain/vavai/riv/wos	000279090500006
http://linked.open...n/vavai/riv/zamer	Struktura, reaktivita a dynamika molekulárních a biomolekulárních systémů: teorie, experiment, aplikace
issn	0021-9517
number of pages	11 (xsd:int)
is http://linked.open...avai/riv/vysledek of	The decisive role of the distribution of Al in the framework of beta zeolites on the structure and activity of Co ion species in propane-SCR-NOx in the presence of water vapour The decisive role of the distribution of Al in the framework of beta zeolites on the structure and activity of Co ion species in propane-SCR-NOx in the presence of water vapour The decisive role of the distribution of Al in the framework of beta zeolites on the structure and activity of Co ion species in propane-SCR-NOx in the presence of water vapour

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