Infinite dilution activity coefficient and vapour liquid equilibrium measurements for dimethylsulphide and tetrahydrothiophene with hydrocarbons |
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Authors: | Piia Haimi Petri Uusi-Kyyny Juha-Pekka PokkiVille Alopaeus |
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Institution: | Department of Biotechnology and Chemical Technology, Aalto University School of Science and Technology, P.O. Box 16100, FIN-00076 Aalto, Finland |
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Abstract: | The activity coefficients at infinite dilution (γ∞) of dimethylsulphide (DMS) in four hydrocarbon solvents were measured using the dilutor technique at temperatures between 288 K and 303 K. The four hydrocarbons were hexane, 1-hexene, 2,2,4-trimethylpentane and 2,4,4-trimethyl-1-pentene. The dilutor technique is based on the stripping of the highly diluted solute, i.e. DMS, by a constant flow of inert gas. The gas composition was analysed by gas chromatography and the rate of solute removal was calculated from the area of the peaks. |
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Keywords: | Infinite dilution activity coefficient Sulphur compounds VLE |
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