闫炳利,王训遒,蒋元力,张浩勤,陈卫航

• 1:郑州大学化工与能源学院
• 2:河南煤业化工集团研究院有限公司

摘要(Abstract)：

采用自制的Rose釜在绝压2 kPa下测定γ-丁内酯-二乙二醇二元系的汽液平衡数据,并对所测得的数据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。以汽相组成的误差平方和作为目标函数,分别用Wilson和NRTL方程关联实验数据,得到分子交互作用能量参数,并对汽液平衡计算值与实验值进行比较,发现二者最大偏差为0.0143,平均偏差0.0063。采用溶液浓度三次方程分别对Wilson和NRTL方程进行修正,修正后二者最大偏差0.0094,平均偏差0.0036,明显优于修正前的结果,可满足工程上分离设计的需要。

关键词(KeyWords)： 汽液平衡;γ-丁内酯;二乙二醇;修正的Wilson方程;修正的NRTL方程

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 闫炳利,王训遒,蒋元力,张浩勤,陈卫航

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