Control and Profile Setting of Reactive Distillation Column for Benzene Chloride Consecutive Reaction System

2013 ◽  
Vol 52 (49) ◽  
pp. 17465-17474 ◽  
Author(s):  
Cuimei Bo ◽  
Jihai Tang ◽  
Mifen Cui ◽  
Kangkang Feng ◽  
Xu Qiao ◽  
...  
Processes ◽  
2019 ◽  
Vol 8 (1) ◽  
pp. 1 ◽  
Author(s):  
Guanghui Chen ◽  
Fushuang Jin ◽  
Xiaokai Guo ◽  
Shuguang Xiang ◽  
Shaohui Tao

The traditional two-column reactive distillation (RD) process is used for the production of butyric anhydride, which is synthesized with butyric acid and acetic anhydride via a reversible reaction. In this work, a novel process with a single RD column (SRDC) is designed for the production of butyric anhydride, where the second distillation column for separating excess reactant is removed based on the boiling point profile of the reaction system. Two applications of the proposed SRDC process, namely SRDC with excess butyric acid or acetic anhydride circulating internally, are economically optimized, and the results show that both SRDC processes have a lower total annual cost (TAC) than the traditional two-column process. Furthermore, from the perspective of TAC, the application with an excess feed of butyric acid is better than the application with excess acetic anhydride. The developed technique may also be applied to retrofit other traditional two-column RD processes, where the overhead and bottom products are the lightest and heaviest components of the reaction system, respectively, and no azeotrope is involved in the RD column.


2008 ◽  
Vol 62 (1) ◽  
Author(s):  
Zuzana Švandová ◽  
Jozef Markoš ◽  
L’udovít Jelemenský

AbstractComparison of the performance of a reactive distillation column with three different hardware configurations is presented. As a reaction system the methyl tertiary-butyl ether (MTBE) synthesis has been chosen. The sieve tray columns with catalyst (encased inside wire gauze envelopes) placed along the liquid flow path differ in the number of reactive trays. The column simulations have been performed using the nonequilibrium model. The steady state behaviour of the three different hardware configurations was studied regarding the three input parameters; feed flow rate of methanol, feed flow rate of butenes, and reflux ratio. It has been shown that by varying the location of the methanol feed stage, the columns exhibit significantly different solution diagrams using the butenes feed flow rate as a continuation parameter. Using dynamic simulations, different perturbations of the manipulated variables were found to cause transitions between multiple steady states and these were also investigated. The major objective of this paper is to demonstrate the importance of the hardware choice in the performance of a reactive distillation column e.g. during the start-up or if occasional variations of the operating parameters occur.


2006 ◽  
Vol 14 (3) ◽  
pp. 301-308 ◽  
Author(s):  
Bolun YANG ◽  
Jiang WU ◽  
Guosheng ZHAO ◽  
Huajun WANG ◽  
Shiqing LU

2011 ◽  
Vol 89 (4) ◽  
pp. 480-490 ◽  
Author(s):  
Fernando Israel Gómez-Castro ◽  
Vicente Rico-Ramírez ◽  
Juan Gabriel Segovia-Hernández ◽  
Salvador Hernández-Castro

2004 ◽  
Vol 37 (1) ◽  
pp. 791-796
Author(s):  
Budi H. Bisowarno ◽  
Yu-Chu Tian ◽  
Moses O. Tadé

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