Modeling of transport properties of binary mixtures including ionic liquids based on their experimental estimation

IF 0.9 Q4 CHEMISTRY, MULTIDISCIPLINARY
P. Steltenpohl, Anna Holečková, E. Graczová
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引用次数: 1

Abstract

Abstract Transport properties of selected imidazolium ionic liquids (1-ethyl-3-methylimidazolium acetate, [emim][ac], and 1-butyl-3-methylimidazolium trifluoromethanesulfonate, [bmim][triflate]) as well as of binary mixtures of these ILs with water and ethanol were estimated experimentally. Density data were obtained within the temperature range of 293.15—333.15 K and used for the excess molar volume calculations. For the binary mixtures comprising selected ionic liquids and water/ethanol, partial molar volumes of mixture components were computed and the excess molar volume variation with the mixture composition was correlated using the Redlich-Kister equation. Dependence of viscosity on the binary mixture composition and temperature was described using the Jouyban-Acree model. These data form a base for the assessment of OPEX connected with transportation of mixtures containing these ionic liquids.
基于实验估计的含离子液体二元混合物输运性质建模
摘要实验估计了所选咪唑鎓离子液体(1-乙基-3-甲基咪唑鎓乙酸酯,[emim][ac]和1-丁基-3-甲基咪唑三氟甲磺酸酯,[bmim][trifluate])以及这些离子液体与水和乙醇的二元混合物的输运性质。密度数据是在293.15--333.15K的温度范围内获得的,用于过量摩尔体积的计算。对于包含所选离子液体和水/乙醇的二元混合物,计算混合物组分的偏摩尔体积,并使用Redlich-Kister方程将过量摩尔体积随混合物组成的变化关联起来。使用Jouyban-Acree模型描述了粘度对二元混合物组成和温度的依赖性。这些数据为评估与含有这些离子液体的混合物的运输相关的运营成本奠定了基础。
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来源期刊
Acta Chimica Slovaca
Acta Chimica Slovaca CHEMISTRY, MULTIDISCIPLINARY-
自引率
12.50%
发文量
11
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