Study on Simulation of Nitrobenzene Distillation Using Dividing Wall Column

被引：1
|
作者：
Wang, Erqiang [1 ]
Huang, Jincheng [1 ]
He, Yujian [1 ]
Li, Chengyue
机构：
[1] Chinese Acad Sci, Grad Univ, Coll Chem & Chem Engn, Beijing 100049, Peoples R China
来源：
PROGRESS IN MATERIALS AND PROCESSES, PTS 1-3 | 2013年 / 602-604卷
关键词：
dividing wall column with side rectifier; nitrobenzene distillation; two tower process; simulation;
D O I：
10.4028/www.scientific.net/AMR.602-604.1364
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, application of DWC with side rectifier (DWC-SR) to nitrobenzene distillation was studied. Simulation using Aspen plus software was done to compare the traditional two tower process with new process based on DWC-SR. The results show that, the two processes has almost no difference on the energy cost, which is also decided by the characteristic of DWC-SR, but large saving of capital investment and space can be obtained. In addition, only a reboiler is need in DWC-SR process, residence time of nitrobenzene, dinitrobenzene, etc inside high temperature region can be reduced, so can to avoid the frequently occurring explosion accident to a great extent.
引用
收藏
页码：1364 / 1368
页数：5
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