Phase equilibrium measurements for systems containing propanenitrile with tert-butyl ethyl ether and C4-hydrocarbons |
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Authors: | Piia Haimi Petri Uusi-Kyyny Juha-Pekka PokkiVille Alopaeus |
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Affiliation: | Department of Biotechnology and Chemical Technology, Aalto university of Science and Technology, P.O. Box 16100, FIN-00076 Aalto, Finland |
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Abstract: | A static total pressure apparatus was used to measure isothermal VLE for systems containing propanenitrile +n-butane (322.02 K), +1-butene (312.55 K), +2-methylpropane (307.85 K) and +2-methylpropene (312.59 K). Vapour liquid equilibrium (VLE) for propanenitrile + tert-butyl ethyl ether (ETBE) was measured both with the static total pressure apparatus at 312.85 K and 358.32 K and with a glass circulation still apparatus at 102.6 kPa and 65.2 kPa. The system of propanenitrile + ETBE evidenced azeotropic behaviour. |
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Keywords: | Activity coefficient tert-Butyl ethyl ether Propanenitrile Azeotrope |
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