甲缩醛-甲醇二元系汽液平衡数据的测定与关联Vapor-Liquid Equilibrium Measurements and Correlation of the Methylal-Methanol Binary System
周彩荣,张丽,梁欢欢,李白杨
摘要(Abstract):
用改进的Rose平衡釜测定恒压下(99.9 k Pa)甲缩醛-甲醇二元系的汽液平衡数据。用Herrington检验法对实测数据进行了热力学一致性检验。对Wilson和NRTL活度系数模型进行了关联,回归得到模型参数与温度之间的关系。与实验数据相比较,用Wilson模型预测的汽相组成其相对平均偏差为7.99%,温度平均偏差为0.12 K;NRTL模型的偏差分别为7.66%和0.22 K。结果表明用两种模型参数预测二元系的泡点与实验值能很好地吻合。
关键词(KeyWords): 汽液平衡;甲缩醛;甲醇;Wilson模型;NRTL模型
基金项目(Foundation): 河南省教育厅重点科技攻关项目(13A530712)
作者(Author): 周彩荣,张丽,梁欢欢,李白杨
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