[1]陈卫航,周辉,蒋元力,等.真空下乙二醇甲醚—乙醇酸甲酯二元体系气液相平衡研究[J].郑州大学学报(工学版),2013,34(02):11-14.[doi:10.3969/j.issn.1671-6833.2013.02.004]
　CHEN Wei-hang,ZHOU Hui,JIANG Yuan-li,et al.Vapor-liquid Equilibrium for 2-Methoxyethanol-Methyl Glycollate under Vacuum[J].Journal of Zhengzhou University (Engineering Science),2013,34(02):11-14.[doi:10.3969/j.issn.1671-6833.2013.02.004]
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真空下乙二醇甲醚—乙醇酸甲酯二元体系气液相平衡研究()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
34
期数:
2013年02期
页码:
11-14
栏目:
出版日期:
2013-03-28

文章信息/Info

Title:
Vapor-liquid Equilibrium for 2-Methoxyethanol-Methyl Glycollate under Vacuum
作者:
陈卫航; 周辉; 蒋元力; 等.
郑州大学化工与能源学院,河南郑州,450001, 河南煤化集团,河南郑州,450001
Author(s):
CHEN Wei-hang1; ZHOU Hui1; JIANG Yuan-li2; ZHOU Bao-hong1; CHEN Jun-hang1; ZHANG Hao-qin1
1.School of Chemical Engineering and Energy , Zhengzhou University , Zhengzhou 450001, China; 2.Henan Coal Chemical In-dustry Group Co. Ltd., Zhengzhou 450001 ，China
关键词:
气液平衡;  乙二醇甲醚;  乙醇酸甲酯;  真空
Keywords:
vapor-liquid equilibrium;  2-methoxyethanol; methyl glycollate;  vacuum
分类号:
TQ013.1
DOI:
10.3969/j.issn.1671-6833.2013.02.004
文献标志码:
A
摘要:
采用气液平衡釜测定了6.7 kPa下乙二醇甲醚一乙醇酸甲酯二元物系的气液平衡数据,所得结果检验符合热力学一致性.分别采用NRTL、Wilson、UNIQUAC活度系数模型对实验数据进行了热力学关联,得到了相应的模型参数.模型关联该二元体系的气液平衡数据所得平衡温度计算值和实验值的平均相对偏差分别为0.221 5％、0.239 8％、0.237 4％；乙二醇甲醚气相质量分率的平均相对偏差分别为3.721 6％、3.437 8％、3.338 0％.模拟结果与实验值接近,可以满足工程上分离设计的需要.
Abstract:
The vapor-liquid equilibrium(VLE) data of 2-methoxyethanol-methyl glycollate binary system weremeasured under the pressure of 50mmHg by using a VLE still,and the obtained data satisfy the thermodynam-ic consistencies . Then the VLE data were correlated by NRTL\Wilson\UNIQUAC models,and the corre-sponding binary interaction parameters of these models were obtained. With these models associated with thebinary system of VLE data, the average relative deviations of temperature between calculated and experimentalvalues were 0.2215% ,0.2398% ,0.2374% respectively ; the average relative deviations of 2-methoxyethanol’s vapor mass fraction were 3.7216% ,3.4378% ,3.338% respectively.The simulation results are close to ex-perimental values and these models are suitable to be used for the engineering seperation design.
更新日期/Last Update: 1900-01-01