期刊
JOURNAL OF CHEMICAL AND ENGINEERING DATA
卷 52, 期 6, 页码 2375-2381出版社
AMER CHEMICAL SOC
DOI: 10.1021/je700342k
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Liquid-liquid-phase equilibria studies of systems containing acidic ionic liquid (IL) + ethylacetate + ethanol or acetic acid are reported, and the influence of the alkyl chain length on the cation on the liquid-liquid equilibra (LLE) was measured. The ILs used are 1-methylimidazolium hydrogen sulfate ([EMIM][HSO4]), 1-ethyl-3-methylimidazolium hydrogen sulfate ([EMIM][HSO4]), and 1-butyl-3-methylimidazolium hydrogen sulfate ([BMIM][HSO4]). The experimental data was obtained at (313.2 +/- 0.5) K and correlated with the UNIQUAC model to obtain the binary interaction parameters. All studied systems were of type 1, with ethylacetate + IL as immiscible pairs.
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