Thermodynamic data for volatile organic compounds in poly(dimethylsiloxane) by gas liquid chrmatography
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Subtitle: Thermodynamic data for volatile organic compounds in poly(dimethylsiloxane) by gas liquid chrmatography
Author list: Muzenda, Edison
Publisher: Hindawi
Publication year: 2009
Journal: Journal of Thermodynamics (1687-9244)
Issue number: 3
ISSN: 1687-9244
eISSN: 1687-9252
Languages: English-United States (EN-US)
Abstract
Stable organic oils, may play a significant role in the effective removal of VOC from gas streams by gas absorption. A gas liquid chromatographic (GLC) technique was proposed for the measurement of infinite dilution activity coefficients for the 13 organic compounds in poly(dimethylsiloxane) (PDMS) at 303 K. Static determined activity coefficients using shaker flasks were also reported and compared with the GLC results. The values obtained compared very well with those reported previously for other PDMS used as stationary liquids in analytical GLC and those obtained by these authors using group contribution methods. The successful comparison gave an indication of the GLC as a rapid, simple, and accurate method for studying the thermodynamics of the interaction of a volatile solute with a non volatile solvent. The greatest deviation from ideal behavior was usually exhibited in the dilute regions. This is an abstract of a paper presented at the 8th World Congress of Chemical Engineering (Montréal, Quebec, Canada 8/23-27/2009).
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