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Attainable region of reactive distillation-Part IV: Inclusion of multistage units for complex reaction schemes

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Title Attainable region of reactive distillation-Part IV: Inclusion of multistage units for complex reaction schemes
 
Creator AMTE, V
GAIKWAD, R
MALIK, R
MAHAJANI, S
 
Subject Reactive distillation
Attainable region
van de Vusse
Selectivity
Azeotrope
Reactor
SYSTEMS
DESIGN
 
Description Reactive distillation (RD) can be advantageously used to improve selectivity of the desired product in a multi-reaction system. Because of the complexity in vapor liquid equilibrium and reaction kinetics, the design methodology is not straightforward and one has to adopt conceptual design and synthesis methods to arrive at the appropriate RD configuration. This paper is continuation of our earlier work (Amte et al., 2011), aimed at extending the concept of attainable region to a larger family of reactors that includes different reactive distillation units. In this work, we incorporate multistage reactive rectification and reactive stripping models with total reflux and total reboil, respectively. We further define the respective vectors, which justify the need of the corresponding units in the RD network. The van de Vusse schemes with both non-azeotropic and azeotropic vapor - liquid equilibria are considered and the attainable regions are constructed. Explanation is provided based on the visualization of selectivity lines in the composition space. In all the cases studied here, the feasible region is significantly broader than the one realized for the network of only conventional reactors. (C) 2011 Elsevier Ltd. All rights reserved.
 
Publisher PERGAMON-ELSEVIER SCIENCE LTD
 
Date 2014-10-17T05:45:36Z
2014-10-17T05:45:36Z
2012
 
Type Article
 
Identifier CHEMICAL ENGINEERING SCIENCE, 68(1)166-183
http://dx.doi.org/10.1016/j.ces.2011.09.030
http://dspace.library.iitb.ac.in/jspui/handle/100/16101
 
Language en