2个含异戊烯醇二元体系的减压汽液平衡

Vapor-liquid equilibria of two binary systems containing prenyl alcohol at reduced pressures

采用改进的Rose平衡釜测定了2-甲基-3-丁烯-2-醇+异戊烯醇、3-甲基-3-丁烯-1-醇+异戊烯醇体系在压力51.2和81.9 kPa下的汽液平衡数据,并通过热力学一致性检验。用Wilson和NRTL模型分别对实验数据进行了关联,获得了相应的二元交互作用参数。模型预测结果与实验数据吻合较好,2-甲基-3-丁烯-2-醇+异戊烯醇体系泡点温度和汽相组成的最大绝对偏差分别为0.4℃和0.0021,3-甲基-3-丁烯-1-醇+异戊烯醇体系泡点温度和汽相组成的最大绝对偏差分别为0.2℃和0.0031。热力学模型拟合结果满足工程设计的需要。

Vapor-liquid equilibria(VLE)data for binary systems of 2-methyl-3-butene-2-ol+prenyl alcohol and 3-methyl-3-butene-1-ol+prenyl alcohol were determined at 51.2 kPa and 81.9 kPa respectively in an improved Rose still.All of the VLE data passed the thermodynamic consistency test.Wilson and NRTL models were applied to correlate the VLE data and the interaction parameters were determined.The predicted values were consistent with the experimental data.The maximum absolute deviations of bubble point and vapor phase composition for 2-methyl-3-butene-2-ol+prenyl alcohol system are 0.4℃and 0.0021,respectively.And those for 3-methyl-3-butene-1-ol+prenyl alcohol system are 0.2℃and 0.0031,respectively.The obtained models can meet the requirement of chemical engineering design and calculation.