Tomada de decisão de múltiplos critérios utilizando o método AHP na gestão de resíduos sólidos industriais no município de Itaporã-MS

Abstract

Reverse Logistics is one of the main partners in the reduction of waste that is incorrectly disposed of. To this end, companies develop waste management practices through the reverse flow of materials. Faced with a negative scenario, measures such as the implementation of PNRS seek to solve problems such as the 25 thousand tons of packaging that are deposited every day in Brazilian dumps. Business decision makers need agile and effective tools to model and optimize their decisions, comparing alternatives and enabling the supply chain. In making the decision, one must consider different objectives, being usually economic, social and environmental, formulating the criteria that will support the decision. This work intends to demonstrate the reliability of the use of multicriteria in a hierarchical structure (AHP), in order to select the best scenario of solid industrial waste management to implement, the best scenario, in regional companies in the city of Itaporã-MS. Furthermore, according to the main survey results, the interviewed companies consider the criterion recovery of raw material the most important to make decisions regarding Reverse Logistics. Having a parameter among respondents, Scenario 1 was recognized as the most appropriate to the situation in which companies are inserted. The characteristics the transportation performed by the management company and subsequent separation and sorting of materials.