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Statements

Subject Item
n2:RIV%2F61388955%3A_____%2F08%3A00315229%21RIV09-AV0-61388955
rdf:type
skos:Concept n17:Vysledek
dcterms:description
The post-synthesis modification of Ferrierite (FER, Si/Al = 8.7) and MCM-22 (MWW, Si/Al = 15) zeolites was carried out by ion-exchahge to obtain Li+, Na+, K+ and Cs+ forms of these zeolites with different degrees of exchange. All samples were characterized using XRD, chemical analysis and nitrogen adsorption. The carbon dioxide adsorption capacity of the alkali cation-exchanged Ferrierite and MCM-22 zeolites depends significantly on the nature and the CO2 adsorption of the charge compensating cations. The highest CO2 loading was always obtained for the K+ form and the lowest one for the Cs+ version. The post-synthesis modification of Ferrierite (FER, Si/Al = 8.7) and MCM-22 (MWW, Si/Al = 15) zeolites was carried out by ion-exchahge to obtain Li+, Na+, K+ and Cs+ forms of these zeolites with different degrees of exchange. All samples were characterized using XRD, chemical analysis and nitrogen adsorption. The carbon dioxide adsorption capacity of the alkali cation-exchanged Ferrierite and MCM-22 zeolites depends significantly on the nature and the CO2 adsorption of the charge compensating cations. The highest CO2 loading was always obtained for the K+ form and the lowest one for the Cs+ version. Iontovou výměnou byly připraveny litné, sodné, draselné a cesné formy ferrieritu a zeolitu MCM-22. Tyto materiály byly charakterizovány chemickou analyzou a měřením difrakce rentgenova záření a adsorpce dusíku. Ze studia adsorpčních izoterem CO2 vyplynulo, že adsorpční kapacita obou zeolitů silně závisí na povaze a koncentraci kationtů. Nejvyšší adsorpční kapacita byla zjištěna u draselných forem; naopak nejnižší kapacita byla nalezena u forem cesných.
dcterms:title
Ferrierite and MCM-22 for the CO2 adsorption Ferrierite and MCM-22 for the CO2 adsorption Adsorpce oxidu uhličitého na ferrieritu a zeolitu MCM-22
skos:prefLabel
Ferrierite and MCM-22 for the CO2 adsorption Ferrierite and MCM-22 for the CO2 adsorption Adsorpce oxidu uhličitého na ferrieritu a zeolitu MCM-22
skos:notation
RIV/61388955:_____/08:00315229!RIV09-AV0-61388955
n3:aktivita
n11:Z
n3:aktivity
Z(AV0Z40400503)
n3:dodaniDat
n4:2009
n3:domaciTvurceVysledku
n14:5283396 Pawlesa, Justyna n14:7016662
n3:druhVysledku
n15:C
n3:duvernostUdaju
n10:S
n3:entitaPredkladatele
n19:predkladatel
n3:idSjednocenehoVysledku
367862
n3:idVysledku
RIV/61388955:_____/08:00315229
n3:jazykVysledku
n18:eng
n3:klicovaSlova
ferrierite; MCM-22; ion-exchange
n3:klicoveSlovo
n9:MCM-22 n9:ion-exchange n9:ferrierite
n3:kontrolniKodProRIV
[01F541E441E6]
n3:mistoVydani
Oxford
n3:nazevEdiceCisloSvazku
Studies in surface science and catalysis, Vol. 174
n3:nazevZdroje
Zeolites and Related Materials: Trends, Targets and Challenges
n3:obor
n16:CF
n3:pocetDomacichTvurcuVysledku
3
n3:pocetStranKnihy
754
n3:pocetTvurcuVysledku
4
n3:rokUplatneniVysledku
n4:2008
n3:tvurceVysledku
Domínguez, A. Pawlesa, Justyna Čejka, Jiří Zukal, Arnošt
n3:zamer
n5:AV0Z40400503
s:numberOfPages
4
n12:hasPublisher
Elsevier
n13:isbn
978-0-444-53297-8