TY - JOUR ID - 110275 TI - A Bi-level Meta-heuristic Approach for a Hazardous Waste Management Problem JO - International Journal of Engineering JA - IJE LA - en SN - 1025-2495 AU - Saeidi-Mobarakeh, Z. AU - Tavakkoli-Moghaddam, R. AU - Navabakhsh, M. AU - Amoozad-Khalili, H. AD - School of Industrial Engineering, South Tehran Branch, Islamic Azad University, Tehran, Iran AD - School of Industrial Engineering, College of Engineering, University of Tehran, Tehran, Iran AD - Department of Industrial Engineering, Nowshahr Branch, Islamic Azad University, Nowshahr, Iran Y1 - 2020 PY - 2020 VL - 33 IS - 7 SP - 1304 EP - 1310 KW - Hazardous Waste Management Location KW - routing Problem Bi KW - level Programming Meta KW - Heuristic Algorithm DO - 10.5829/ije.2020.33.07a.17 N2 - This study concentrates on designing a medical waste management system with a hierarchical structure, including a local government and a waste management planner. The upper-level seeks to design and control the waste management facilities by minimizing the environmental risks related to the disposal of medical waste. While, the lower-level model is to determine the waste collection plans by only minimizing its total operational costs. Therefore, this study develops a bi-level mathematical model, in which the benefits of the both stakeholders are taken into account. As this problem poses difficulty in searching for the optimal solution, a bi-level meta-heuristic approach based on the Genetic Algorithm (GA) is employed for solving the problem. Finally, a case study is conducted to show that the proposed model and solution approach are practical and efficient. UR - https://www.ije.ir/article_110275.html L1 - https://www.ije.ir/article_110275_b69f68d82a50e7d4c2bdd1aa694b4551.pdf ER -