Optimal Investment Policies for Pollution Control in the Copper Industry

Susana V. Mondschein and Ariel Schilkrut
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Susana V. Mondschein: Department of Industrial Engineering, University of Chile, PO Box 2777, Santiago, Chile
Ariel Schilkrut: Department of Industrial Engineering, University of Chile, PO Box 2777, Santiago, Chile

Interfaces, 1997, vol. 27, issue 6, 69-87

Abstract: We developed a decision-support system for investment projects in pollution abatement plants at state-owned copper smelters in Chile. We formulated a mixed-integer linear model to determine the optimal investment policy for this interrelated production-environmental problem. Because of the significant differences between the model's solutions and the initial clean-up plans the smelters submitted to the environmental authorities, the government has revised the smelters' clean-up plans, initially working to obtain more complete and reliable information. Furthermore, it has put some of the projects presented in the original clean-up plans on hold until it has a refined version of the model. The Chilean budget director has approved other clean-up plans because, as the director of policy planning at Cochilco said, they are consistent with the model's recommendations.

Keywords: industries; mining/metals; environment; decision analysis; applications (search for similar items in EconPapers)
Date: 1997
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Citations: View citations in EconPapers (7)

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