石油化工2017，Vol.46Issue(9)：1168-1173,6.DOI:10.3969/j.issn.1000-8144.2017.09.012
甲醇+碳酸二甲酯+二乙二醇三元物系等压汽液平衡数据的测定与关联
Isobaric vapor-liquid equilibrium for methanol+dimethyl carbonate+ diethylene glycol system
摘要
Abstract
Isobaric vapor-liquid equilibrium data of the ternary system methanol+dimethyl carbonate (DMC)+diethylene glycol were measured at 101.3 kPa in a modified Othmer still.With the addition of diethylene glycol,the relative volatility of methanol to DMC deceased and the vapor-liquid equilibrium temperature increased.Diethylene glycol is not suitable as an extracting agent for separation of methanol+DMC using extractive distillation.The NRTL model was used to correlate the experimental data of the system methanol+DMC+diethylene glycol at solvent ratio 0.25,0.5,1.The biggest standard deviation of temperature was 0.63 K.关键词
碳酸二甲酯/甲醇/二乙二醇/NRTL模型Key words
dimethyl carbonate/methanol/diethylene glycol/NRTL model分类
化学化工引用本文复制引用
曹玲,徐威震,李学琴,程建文..甲醇+碳酸二甲酯+二乙二醇三元物系等压汽液平衡数据的测定与关联[J].石油化工,2017,46(9):1168-1173,6.基金项目
新疆维吾尔自治区自然科学基金项目(2015211A002). （2015211A002）
