Design and optimization, using genetic algorithms, of intensified distillation systems for a class of quaternary mixtures

The design and optimization of a coupled multicomponent distillation system is a non-linear and multivariable problem. The complexity of this kind of problem results in high solving difficulty. This paper addresses the application of genetic algorithms to the optimization of intensified distillation...

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Bibliographic Details
Published in:Computers & chemical engineering 2009-11, Vol.33 (11), p.1841-1850
Main Authors: Vazquez–Castillo, José Antonio, Venegas–Sánchez, Josué Addiel, Segovia–Hernández, Juan Gabriel, Hernández-Escoto, Héctor, Hernández, Salvador, Gutiérrez–Antonio, Claudia, Briones–Ramírez, Abel
Format: Article
Language:English
Subjects:
Distillation
Energy savings
Intensified systems
Stochastic optimization
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Summary:The design and optimization of a coupled multicomponent distillation system is a non-linear and multivariable problem. The complexity of this kind of problem results in high solving difficulty. This paper addresses the application of genetic algorithms to the optimization of intensified distillation systems for quaternary distillations. We used a multiobjective genetic algorithm with restrictions coupled to the Aspen Plus™ process simulator for the evaluation of the objective function. Several mixtures to test the effect of relative volatilities of feed mixtures on energy consumption, second law efficiency, total annual cost and theoretical control properties have been studied. Numerical performance shows that this design tool is robust and suitable for the design of coupled multicomponent distillation sequences.
ISSN:0098-1354
1873-4375
DOI:10.1016/j.compchemeng.2009.04.011