| 1,3-丙二醇-甘油汽液相平衡数据的推算 |
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| 引用本文： | 徐勇,寇春霞,刘峰.1,3-丙二醇-甘油汽液相平衡数据的推算[J].山东科技大学学报(自然科学版),2005,24(4):99-101,109. |
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| 作者姓名： | 徐勇 寇春霞 刘峰 |
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| 作者单位： | 淄博矿业集团,技术中心,山东,淄博,255120 |
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| 摘 要： | 针对由甘油，1，3-丙二醇组成的体系，推算其在低压下的汽液相平衡数据。利用UNIFAC基团贡献法计算液相活度系数。提供了该二元体系于lOOkPa，50kPa和lOkPa下的汽液相平衡数据。结果显示，两组分不会形成共沸物，而且系统压力越低，越利于它们的分离。
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| 关 键 词： | UNIFAC模型 1 3-丙二醇 甘油 汽液相平衡 |
| 文章编号： | 1672-3767（2005）04-0099-03 |
| 收稿时间： | 2005-08-01 |
| 修稿时间： | 2005-08-01 |
Prediction of Vapor-liquid Equilibrium for 1,3-propanediol-glycerol |
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| XU Yong,KOU Chun-xia,LIU Feng.Prediction of Vapor-liquid Equilibrium for 1,3-propanediol-glycerol[J].Journal of Shandong Univ of Sci and Technol: Nat Sci,2005,24(4):99-101,109. |
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| Authors: | XU Yong KOU Chun-xia LIU Feng |
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| Institution: | Technique Center, Zibo Coal Mining Group Co. Ltd., Zibo, Shandong 255120, China |
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| Abstract: | The vapor-liquid phase equilibrium data for the system composed by glycerol and 1,3-propanediol at low pressure are calculated. The liquid-phase activity coefficients are calculated by UNIFAC group contribution method. And the vapor-liquid phase equilibrium data of the binary system are given at the pressures of 100kPa, 50kPa and 10kPa. It indicated that the two components would not form any azeotropes. And the lower the system pressures are given, the better the binary system is separated. |
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| Keywords: | UNIFAC model 1 3-propanediol glycerol vapor-liquid equilibrium |
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