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International Journal of Civil Engineering

, Volume 15, Issue 2, pp 205–212 | Cite as

A Multi-Objective Optimization Model for Solid Waste Disposal Under Uncertainty: A Case Study of Bangkok, Thailand

  • Laemthong Laokhongthavorn
  • Chalida U-tapaoEmail author
Research Paper

Abstract

This paper has applied operation research to solid waste disposal by which two objective functions are optimized to minimize the expected operational costs (maximize revenues) and the expected net carbon dioxide equivalent (CDE) emissions. Types and uncertain amounts of solid wastes as well as costs of electricity were factored into the selection decision of solid waste disposal, i.e., landfill, incineration, composting and recycling. An optimization model was applied to the solid waste disposal of Bangkok, Thailand. In addition, a multi-objective optimization technique was proposed for a trade-off decision-making between minimum operational costs and CDE emissions. Composting and landfill are effective alternatives for Bangkok’s solid waste disposal system. The operational costs and net CDE emissions are highly correlated with the quantity of solid waste. Policy makers and plant operators could adopt the proposed optimization model under uncertainty in the selection of an optimal solid waste disposal.

Keywords

Municipal solid waste Biogas Renewable energy Optimization model and multi-objective model 

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Copyright information

© Iran University of Science and Technology 2016

Authors and Affiliations

  1. 1.Department of Civil Engineering, Faculty of EngineeringKing Mongkut’s Institute of Technology LadkrabangBangkokThailand

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