石晓林,李东风

• 1:中国石油化工股份有限公司 北京化工研究院，北京 100013

摘要(Abstract)：

采用静态分析法相平衡装置分别测量了乙烷-甲醇二元体系在273.15、280.15、287.15和294.15 K下的汽-液相平衡数据，四个温度下的汽-液相平衡数据均符合热力学一致性检验。采用带有Wong-Sandler混合规则的Peng-Robinson状态方程对实验数据进行关联，得到浅冷条件下乙烷-甲醇体系的二元交互作用参数k_ij为0.0187。对拟合计算结果与实验数据对比分析表明，压力的平均相对偏差为1.41%，液相摩尔组成的平均相对偏差为2.53%，拟合结果与实验数据关联良好，可以满足工程上计算与设计的需求。

关键词(KeyWords)： 乙烷;甲醇;汽-液相平衡;Peng-Robinson方程;Wong-Sandler混合规则

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 石晓林,李东风

DOI: 10.3969/j.issn.1003-9015.2018.02.005

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