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Title:Measurement and modeling of the CO2 solubility in poly(ethylene glycol) of different molecular weights
Authors:ID Markočič, Elena (Author)
ID Škerget, Mojca (Author)
ID Knez, Željko (Author)
Files:URL http://dx.doi.org/10.1021/je700467p
Work type:Unknown
Typology:1.01 - Original Scientific Article
Organization:FKKT - Faculty of Chemistry and Chemical Engineering
Abstract:The solubility of supercritical carbon dioxide (scCO2) in solid (298 K) and melted (323 K) poly(ethylene glycol) (PEG), in the pressure range (7 to 25) MPa, was measured using a magnetic suspension balance. The phase behavior of the CO2 + PEG system was modeled by using the Sanchez-Lacombe equation of state (EOS) and statistical associating fluid theory (SAFT). The results show a good solubility of CO2 in polymer and a good accuracy of the thermodynamic models in describing the phase equilibrium of the working system. The experimental data are also in good agreement with the solubility values previously described in the literature, obtained by employing different experimental techniques.
Keywords:polyetylene glycol, different molecular weights, carbon dioxide
Year of publishing:2008
PID:20.500.12556/DKUM-26146 New window
ISSN on article:0021-9568
COBISS.SI-ID:12135190 New window
Publication date in DKUM:31.05.2012
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Record is a part of a journal

Title:Journal of chemical and engineering data
Shortened title:J. chem. eng. data
Publisher:American Chemical Society
COBISS.SI-ID:25714944 New window


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