Multi-objective optimization of environmentally conscious chemical supply chains under demand uncertainty

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Title: Multi-objective optimization of environmentally conscious chemical supply chains under demand uncertainty
Authors: Ruiz-Femenia, Rubén | Guillén Gosálbez, Gonzalo | Jiménez, Laureano | 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: Supply chain management | Mixed-integer linear programming | Risk management | Multi-objective optimization | Life cycle assessment | Optimization under uncertainty
Knowledge Area: Ingeniería Química
Issue Date: 24-May-2013
Publisher: Elsevier
Citation: Chemical Engineering Science. 2013, 95: 1-11. doi:10.1016/j.ces.2013.02.054
Abstract: In this work, we analyze the effect of demand uncertainty on the multi-objective optimization of chemical supply chains (SC) considering simultaneously their economic and environmental performance. To this end, we present a stochastic multi-scenario mixed-integer linear program (MILP) with the unique feature of incorporating explicitly the demand uncertainty using scenarios with given probability of occurrence. The environmental performance is quantified following life cycle assessment (LCA) principles, which are represented in the model formulation through standard algebraic equations. The capabilities of our approach are illustrated through a case study. We show that the stochastic solution improves the economic performance of the SC in comparison with the deterministic one at any level of the environmental impact.
Sponsor: The authors wish to acknowledge support from the Spanish Ministry of Education and Science (ENE2011-28269-C03-03, ENE2011-22722, DPI2012-37154-C02-02, CTQ2009-14420-C02, CTQ2012-37039-C02) and Programa DRAC de la Xarxa Vives d’Universitats.
ISSN: 0009-2509 (Print) | 1873-4405 (Online)
DOI: 10.1016/j.ces.2013.02.054
Language: eng
Type: info:eu-repo/semantics/article
Peer Review: si
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Appears in Collections:INV - CONCEPT - Artículos de Revistas

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