Caracterização gravimétrica dos Resíduos Sólidos da Empresa Paraibana de Abastecimento e Serviços Agrícolas (EMPASA)

Abstract

Understanding waste composition is the first step in improving waste management. From the diagnosis of discarded materials it is possible to direct public policies and understand the possibilities available in their management. The present work examined the solid waste generated in the Company of Agricultural Supply and Services (EMPASA), located in the brazilian state of Paraiba, through gravimetric characterization using sampling for 5 days, obtaining the waste constitution and its percentages fluctuation during the studied days. The results indicates average values of organic matter around 98.12%, justified by the activity of the company. The organic waste are basically food marketed within the company, discarded due to the loss of market value, but excellent inputs for the composting process. The dry waste found are mostly: paper, plastic and wood, also it was found of packages with chemical contaminants. It was realized the estimates of the gains from selling compost and recyling of the dry waste following methods found in bibliography, the value obtained was R$ 43.433 (forty-three thousand, four hundred and thirty-three reais) of annual net income.