About: Microcalorimetric and FTIR study of the adsorption of carbon dioxide on alkali-metal exchanged FER zeolites

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About: Microcalorimetric and FTIR study of the adsorption of carbon dioxide on alkali-metal exchanged FER zeolites Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Adsorption of CO2 on alkali-metal exchanged (Li+, Na+, K+) FER zeolites was investigated by means of microcalorimetry and FTIR spectroscopy. The adsorption enthalpies strongly depend on coverage for all investigated materials and they are also influenced by concentration of Al in the framework. Especially, samples of Na- and K-FER with lower Si/Al ratio (8.6) exhibited substantially larger initial interaction energy than samples with Si/Al 27.5. Differences in zero-coverage adsorption energy of zeolites with different cation concentration (Si/Al ratio) are 9 and 7.2 kJ/mol for Na- and K-FER zeolites respectively. This phenomenon is attributed to formation of bridged CO2 adsorption complexes formed between two cations, which are characterized by IR absorption band of ný3 stretching vibration mode at 2370 and 2357 cm-1 for Na- and K-FER respectively. Adsorption of CO2 on alkali-metal exchanged (Li+, Na+, K+) FER zeolites was investigated by means of microcalorimetry and FTIR spectroscopy. The adsorption enthalpies strongly depend on coverage for all investigated materials and they are also influenced by concentration of Al in the framework. Especially, samples of Na- and K-FER with lower Si/Al ratio (8.6) exhibited substantially larger initial interaction energy than samples with Si/Al 27.5. Differences in zero-coverage adsorption energy of zeolites with different cation concentration (Si/Al ratio) are 9 and 7.2 kJ/mol for Na- and K-FER zeolites respectively. This phenomenon is attributed to formation of bridged CO2 adsorption complexes formed between two cations, which are characterized by IR absorption band of ný3 stretching vibration mode at 2370 and 2357 cm-1 for Na- and K-FER respectively. (en)
Title	Microcalorimetric and FTIR study of the adsorption of carbon dioxide on alkali-metal exchanged FER zeolites Microcalorimetric and FTIR study of the adsorption of carbon dioxide on alkali-metal exchanged FER zeolites (en)
skos:prefLabel	Microcalorimetric and FTIR study of the adsorption of carbon dioxide on alkali-metal exchanged FER zeolites Microcalorimetric and FTIR study of the adsorption of carbon dioxide on alkali-metal exchanged FER zeolites (en)
skos:notation	RIV/00216275:25310/10:39881899!RIV11-GA0-25310___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA203/09/0143), P(LC512)
http://linked.open...iv/cisloPeriodika	19-20
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Frýdová, Eva Bulánek, Roman Čičmanec, Pavel Frolich, Karel
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	Univerzita Pardubice / Fakulta chemicko-technologická
http://linked.open...dnocenehoVysledku	271213
http://linked.open...ai/riv/idVysledku	RIV/00216275:25310/10:39881899
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	dual cationic sites; IR spectroscopy; zeolite; FER; alkali metal cation; adsorption heat; microcalorimetry; CO2 adsorption (en)
http://linked.open.../riv/klicoveSlovo	CO2 adsorption FER zeolite adsorption heat IR spectroscopy microcalorimetry alkali metal cation dual cationic sites
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[C61AAAB9028C]
http://linked.open...i/riv/nazevZdroje	Topics in 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	Combined theoretical and experimental investigation of gas-zeolite interaction: adsorption, separation, gas storage Center for biomolecules and complex molecular systems
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	53
http://linked.open...iv/tvurceVysledku	Bulánek, Roman Frýdová, Eva Čičmanec, Pavel Frolich, Karel
http://linked.open...ain/vavai/riv/wos	000283584800009
issn	1022-5528
number of pages	12 (xsd:int)
http://localhost/t...ganizacniJednotka	25310

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