| 离子液体对乙腈-水共沸物系汽液平衡的影响 |
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| 引用本文： | 李春利,李聚魁,刘艳稳,方静.离子液体对乙腈-水共沸物系汽液平衡的影响[J].化工进展,2011,30(12):2611. |
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| 作者姓名： | 李春利 李聚魁 刘艳稳 方静 |
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| 作者单位： | 河北工业大学化工学院，天津 300130 |
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| 摘 要： | 选择离子液体1-丁基-3-甲基咪唑氯盐（BminCl]）作为分离乙腈-水共沸物系的溶剂。在0.101MPa下测定了在离子液体BminCl]含量为10%、20%和30%时乙腈-水物系的汽液平衡数据。实验结果表明，离子液体BminCl] 可以提高乙腈对水的相对挥发度，离子液体BminCl]含量在20%以上时可以消除乙腈-水物系的共沸点。离子液体BminCl]可以用作分离乙腈-水物系的萃取剂。用改进的Furter方程对数据进行了关联，得到了离子液体BminCl]对乙腈-水物系的盐效应参数。
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| 关 键 词： | 乙腈-水物系 离子液体 汽液平衡 共沸体系 |
Effect of ionic liquid on the vapor-liquid equilibrium of acetonitrile-water |
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| LI Chunli,LI Jukui,LIU Yanwen,FANG Jing.Effect of ionic liquid on the vapor-liquid equilibrium of acetonitrile-water[J].Chemical Industry and Engineering Progress,2011,30(12):2611. |
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| Authors: | LI Chunli LI Jukui LIU Yanwen FANG Jing |
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| Affiliation: | School of Chemical Engineering and Technology，Hebei University of Technology，Tianjin 300130，China |
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| Abstract: | The ionic liquid 1-butyl-3-methylimidazolium chloride(Bmin)was selected as the solvent to separate azeotropic mixture of acetonitrile-water.Isobaric vapor-liquid equilibrium data for acetonitrile-water system containing ionic liquid Bmin were measured at 0.101 MPa.The azeotropic point of acetonitrile-water can be eliminated by adding ionic liquid Bmin,and relative volatility of acetonitrile to water can be increased.By using the modified Furter equation of the VLE for mixed-solvent electrolyte systems,the p... |
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| Keywords: | acetonitrile-water system ionic liquid vapor-liquid equilibrium axeotropic mixture |
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