Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.22/3043
Título: Economic, environmental and mixed objective functions in non-linear process optimization using simulated annealing and tabu search
Autor: Martins, Florinda
Costa, Carlos A.V.
Palavras-chave: Simulated annealing
Tabu search
Economic objective function
Environmental objective function
Data: 2010
Editora: Elsevier
Relatório da Série N.º: Computers & Chemical Engineering; Vol. 34, Issue 3
Resumo: Screening of topologies developed by hierarchical heuristic procedures can be carried out by comparing their optimal performance. In this work we will be exploiting mono-objective process optimization using two algorithms, simulated annealing and tabu search, and four different objective functions: two of the net present value type, one of them including environmental costs and two of the global potential impact type. The hydrodealkylation of toluene to produce benzene was used as case study, considering five topologies with different complexities mainly obtained by including or not liquid recycling and heat integration. The performance of the algorithms together with the objective functions was observed, analyzed and discussed from various perspectives: average deviation of results for each algorithm, capacity for producing high purity product, screening of topologies, objective functions robustness in screening of topologies, trade-offs between economic and environmental type objective functions and variability of optimum solutions.
Peer review: yes
URI: http://hdl.handle.net/10400.22/3043
ISSN: 0098-1354
Versão do Editor: http://www.sciencedirect.com/science/article/pii/S009813540900266X
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