Study of thermodynamic characteristics of CO adsorption on Li exchanged zeolites

The experimental thermodynamic characteristics of CO probe molecule adsorption on lithium exchanged zeolites of MFI, FAU, MCM-58, MCM-22, MCM-36 and MCM-49 structure was investigated by joint volumetry-calorimetry method. Consideration was given to the interpretation of the heat evolved when a probe...

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Bibliographic Details
Published in:Adsorption : journal of the International Adsorption Society 2013-04, Vol.19 (2-4), p.381-389
Main Authors: Čičmanec, P., Bulánek, R., Frýdová, E., Kolářová, M.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Engineering Thermodynamics
Heat and Mass Transfer
Industrial Chemistry/Chemical Engineering
Surfaces and Interfaces
Thin Films
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Summary:The experimental thermodynamic characteristics of CO probe molecule adsorption on lithium exchanged zeolites of MFI, FAU, MCM-58, MCM-22, MCM-36 and MCM-49 structure was investigated by joint volumetry-calorimetry method. Consideration was given to the interpretation of the heat evolved when a probe molecule was adsorbed on the surface. In particular, the number and strength of adsorption sites were discussed as functions of zeolite structure and concentration of extra-framework cation. In addition, the obtained thermodynamic data and energy distribution functions were discussed together with results obtained from FTIR spectroscopy and theoretical DFT calculations.
ISSN:0929-5607
1572-8757
DOI:10.1007/s10450-012-9461-8