Isobutane Alkylation Process Synthesis by means of Hybrid Simulation-Multiobjective Optimization

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Title: Isobutane Alkylation Process Synthesis by means of Hybrid Simulation-Multiobjective Optimization
Authors: Fernandez-Torres, Maria J. | García, Norberto | Caballero, José A.
Research Group/s: Computer Optimization of Chemical Engineering Processes and Technologies (CONCEPT)
Center, Department or Service: Universidad de Alicante. Departamento de Ingeniería Química
Keywords: Generalized Disjunctive Programming (GDP) | Multiobjective (MO) optimization | Isobutane alkylation | Life Cycle Assessment (LCA)
Knowledge Area: Ingeniería Química
Issue Date: 2014
Publisher: Elsevier
Citation: Computer Aided Chemical Engineering. 2014, 33: 1369-1374. doi:10.1016/B978-0-444-63455-9.50063-5
Abstract: Multiobjective Generalized Disjunctive Programming (MO-GDP) optimization has been used for the synthesis of an important industrial process, isobutane alkylation. The two objective functions to be simultaneously optimized are the environmental impact, determined by means of LCA (Life Cycle Assessment), and the economic potential of the process. The main reason for including the minimization of the environmental impact in the optimization process is the widespread environmental concern by the general public. For the resolution of the problem we employed a hybrid simulation- optimization methodology, i.e., the superstructure of the process was developed directly in a chemical process simulator connected to a state of the art optimizer. The model was formulated as a GDP and solved using a logic algorithm that avoids the reformulation as MINLP -Mixed Integer Non Linear Programming-. Our research gave us Pareto curves compounded by three different configurations where the LCA has been assessed by two different parameters: global warming potential and ecoindicator-99.
Sponsor: We acknowledge the support from the Spanish Ministry of Science and Innovation (CTQ2012-37039-C02-02).
ISBN: 978-0-444-63434-4
ISSN: 1570-7946
DOI: 10.1016/B978-0-444-63455-9.50063-5
Language: eng
Type: info:eu-repo/semantics/article
Rights: © 2014 Elsevier B.V.
Peer Review: si
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Appears in Collections:INV - CONCEPT - Artículos de Revistas

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