Modeling of Batch Extractive Distillation

被引：4
|
作者：
Ivanov, I. V. [1 ]
Lotkhov, V. A. [1 ]
Kulov, N. N. [1 ]
机构：
[1] Russian Acad Sci, Kurnakov Inst Gen & Inorgan Chem, Moscow 119991, Russia
来源：
THEORETICAL FOUNDATIONS OF CHEMICAL ENGINEERING | 2017年 / 51卷 / 03期
关键词：
extractive distillation; modeling; mass transfer coefficients; nonequilibrium model;
D O I：
10.1134/S004057951703006X
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
New data on the concentration profiles in a packed column during extractive distillation of benzene-heptane mixture in the presence of N-methylpyrrolidone as a separating agent have been obtained. A calculation method for the process based on partial mass transfer coefficients in the vapor and liquid has been proposed. The calculated and experimental data have been compared. It has been shown that both continuous and batch extractive distillation are calculated more precisely using the proposed model compared to the equilibrium model.
引用
收藏
页码：253 / 261
页数：9
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