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Isobaric vapor-liquid equilibrium data for system of dimethyl carbonate and ethanol
Author(s): 
Pages: 54-56
Year: Issue:  9
Journal: Chemical Engineering

Keyword:  碳酸二甲酯乙醇汽液平衡Wilson模型;
Abstract: 采用双循环汽液平衡釜测定了碳酸二甲酯-乙醇在100kPa下的汽液平衡数据.实验数据经Herington面积积分法校验符合热力学一致性.运用Matlab中的非线性最小二乘法程序,对二元汽液平衡的Wilson模型进行参数计算,利用关联出的模型参数计算相应的汽相组成,并与实验值比较,其平均绝对偏差为0.0028,表明二者符合良好,这为建立碳酸二甲酯和乙醇的精馏分离数学模型提供了基础数据.
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