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231224s2013 xx |||||o 00| ||eng c |
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|a 10.1021/la400352r
|2 doi
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|a pubmed24n0753.xml
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|a (DE-627)NLM225948931
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|a (NLM)23509898
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|a DE-627
|b ger
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|e rakwb
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|a eng
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|a Remy, Tom
|e verfasserin
|4 aut
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|a Adsorption and separation of CO2 on KFI zeolites
|b effect of cation type and Si/Al ratio on equilibrium and kinetic properties
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|c 2013
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 01.11.2013
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|a Date Revised 30.04.2014
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|a published: Print-Electronic
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|a ErratumIn: Langmuir. 2014 Mar 18;30(10):2968 Martens, Johan A [added]; Xiong, Yanliang [added]
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|a Citation Status PubMed-not-MEDLINE
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|a Selective separation of CO2 is becoming one of the key technologies in the (petro-) chemical industry. This study focuses on the adsorption and separation of CO2 from CH4 on a new low-silica (LS) type of the eight-membered ring KFI zeolite. A series of alkali (Li, Na, K) and alkaline-earth (Mg, Ca, Sr) exchanged samples of the new LS KFI were synthesized and characterized. LS Li-KFI showed the largest pore volume, whereas LS Na-KFI and LS K-KFI were inaccessible for Argon at 87 K. Adsorption of CO2 at 303 K demonstrated the dominant quadrupolar interaction on alkali-exchanged LS KFI samples. LS Li-KFI showed the largest capacities upon high pressure isotherm measurements of CO2 (4.8 mmol/g), CH4 (2.6 mmol/g), and N2 (2.2 mmol/g) up to 40 bar at 303 K. The performance of the new LS KFI was compared to a KFI sample (ZK-5) with a higher Si/Al ratio. Isotherm measurements and dynamic breakthrough experiments demonstrated that ZK-5 samples show larger working capacities for CO2/CH4 separations at low pressure. Li-ZK-5 and Na-ZK-5 show the highest capacities and high selectivities (similar to benchmark 13X)
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|a Journal Article
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|a Peter, Sunil A
|e verfasserin
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|a Van Tendeloo, Leen
|e verfasserin
|4 aut
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|a Van der Perre, Stijn
|e verfasserin
|4 aut
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|a Lorgouilloux, Yannick
|e verfasserin
|4 aut
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|a Kirschhock, Christine E A
|e verfasserin
|4 aut
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|a Martens, Johan A
|e verfasserin
|4 aut
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|a Xiong, Yanliang
|e verfasserin
|4 aut
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|a Baron, Gino V
|e verfasserin
|4 aut
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|a Denayer, Joeri F M
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 29(2013), 16 vom: 23. Apr., Seite 4998-5012
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:29
|g year:2013
|g number:16
|g day:23
|g month:04
|g pages:4998-5012
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|u http://dx.doi.org/10.1021/la400352r
|3 Volltext
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