UM ESTUDO SOBRE A COLETA DE RESÍDUOS RECICLÁVEIS VIA TÉCNICAS DE PESQUISA OPERACIONAL

Abstract

National solid waste generation is increasing, and improvements in the management of the entire collection chain are becoming increasingly necessary. The integration of Operational Research and Logistics knowledge presents good structures for improvement in systems involving collection or distribution, and with existing computational methods, resolution with near-optimal results is possible. Solid waste collection can be modeled according to a Vehicle Routing Problem, which has several applications and methods for resolution, and can be classified between exact and heuristic. For data solution and retrieval, the Python programming language associated with the Julia programming language allows for good development due to the free optimization, retrieval, and data handling packages. In the present work, we studied the optimization of recyclable collection routes in the city of Mandaguari, located in the state of Paraná. In the present work two approaches for problem modeling were studied, in the first model the current collection zones used by the municipality were used, while in the second model new zones were developed in order to optimize the total cost. The results obtained by the two approaches were compared with the current one and were promising, showing great applicability, resulting in improvements of 18.13% for the first model and 20.60% for the second one. High applicability to Operational Research problems in the management of recyclable waste collection with the methods used is demonstrated.