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Study on Vapor-Liquid Equilibria for N-Formylmorpholine-Alkanes-Aromatics Systems
Author(s): 
Pages: 568-573
Year: Issue:  6
Journal: JOURNAL OF CHEMICAL ENGINEERING OF CHINESE UNIVERSITIES

Keyword:  N-甲酰吗啉(NFM)芳烃汽液平衡(VLE);
Abstract: 近年,采用N-甲酰吗啉溶剂回收芳烃在焦化行业中受到极大重视,但可资利用的基础数据却极为贫乏.今用改进的Junghan's流动式鼓泡平衡釜测定了常压、三个温度(65.2, 72.5, 79.5℃)下苯-NFM二元体系和苯-环己烷-NFM、苯-正庚烷-NFM及苯-甲基环己烷-NFM三个三元体系共12组汽液平衡数据; 对所有三元体系, 分别以实测数据及苯-NFM的固定能量参数对,用NRTL和UNIQUAC模型进行了关联,结果均较为满意.研究结果填补了该项数据空白,完全能满足芳烃回收工程设计的需要.
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