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Multi-objective optimisation of batch separation processes

Barakat, TMM; Fraga, ES; Sorensen, E; (2008) Multi-objective optimisation of batch separation processes. CHEM ENG PROCESS , 47 (12) 2303 - 2314. 10.1016/j.cep.2008.01.005.

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Abstract

This paper considers tor the first time the Simultaneous multi-objective optimisation of design and operation of batch distillation as well as of batch hybrid distillation/pervaporation processes. The overall problem is formulated as a multi-objective mixed integer dynamic optimisation (MO-MIDO) problem. The optimisation strategy comprises of different ranking procedures that allow the determination of the Pareto optimal set. A case study for the separation of a homogeneous tangent-pinch (acetone-water) mixture is presented for a dual-criteria optimisation case of minimising capital investment while at the same time minimising the energy consumption rate during the batch. It is found that the proposed distance ranking procedure yields the best Pareto optimal set when compared to other non-dominated sorting procedures. Furthermore, the distance ranking procedure was found to be further improved when used with all elitism operator. (C) 2008 Elsevier B.V. All rights reserved.

Type: Article
Title: Multi-objective optimisation of batch separation processes
DOI: 10.1016/j.cep.2008.01.005
Keywords: Multi-objective optimisation, Genetic algorithm, Batch distillation, Batch hybrid separation, GENETIC ALGORITHM, DESIGN
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Chemical Engineering
URI: http://discovery.ucl.ac.uk/id/eprint/130208
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