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杨颜如. 乙二醇/正辛醇二元体系汽液相平衡数据的测定及关联[J]. 科学技术与工程, 2019, 19(31): 276-280.
杨颜如.Determination and Correlation of Vapor-liquid Equilibrium Data of Ethylene Glycol/N-octanol Binary System[J].Science Technology and Engineering,2019,19(31):276-280.
乙二醇/正辛醇二元体系汽液相平衡数据的测定及关联
Determination and Correlation of Vapor-liquid Equilibrium Data of Ethylene Glycol/N-octanol Binary System
投稿时间:2019-04-15  修订日期:2019-07-13
DOI:
中文关键词:  乙二醇  正辛醇  汽液相平衡  数据关联
英文关键词:ethylene glycol  n-octanol  vapor-liquid equilibrium  data correlation
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作者单位
杨颜如 吉林化工学院
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中文摘要:
      为了采用共沸精馏方法模拟分离乙二醇和1,2-丁二醇,用汽液平衡釜测定了30.4kPa条件下乙二醇-正辛醇二元体系的汽液相平衡数据,分别采用Wilson方程和NRTL方程对该汽液相平衡数据进行关联,并进行热力学一致性检验。结果表明实验数据符合热力学一致性,获得了的Wilson方程与NRTL方程参数,模型计算结果均与实验数据都吻合,可满足工程设计需要。
英文摘要:
      In order to simulate the need of separating ethylene glycol and 1,2-butanediol by azeotropic distillation method, vapor-liquid equilibrium data of ethylene glycol-n-octanol binary system under the condition of 30.4kPa were measured by vapor-liquid equilibrium kettle. Wilson equation and NRTL equation were used to correlate the vapor-liquid equilibrium data, and thermodynamic consistency test was performed. The results show that the experimental data accord with the thermodynamic consistency, and obtained Wilson equation and NRTL equation parameters, the model calculation results are consistent with the experimental data, to meet the needs of engineering design.
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