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Development and assessment of a selective collection plan for two districts in the Oceanic Region of Niterói, based on the template of the pioneer selective collection of São Francisco - RJ

2024; UNIVERSIDADE FEDERAL DE SANTA MARIA; Volume: 46; Linguagem: Inglês

10.5902/2179460x83726

2179-460X

Patrick Prebeck Pereira, Gabriel de Pinna Mendez, Ricardo Abranches Félix Cardoso,

Recycled Aggregate Concrete Performance

The growing production of urban solid waste is a reality of modern society. A large part of this quantity can be recycled and/or reused in new processes. In some countries, such as Brazil, a very small percentage of total waste is picked up through selective collection projects, and an even smaller portion is recycled. A selective collection initiative established in the district of São Francisco, in the city of Niterói, in the state of Rio de Janeiro, was successful and kept in operation for more than 35 years, being one of the first initiatives of this type registered in the country. Its methodology is different from the general collection, using an alternative model truck where the materials are stored more diligently without the risk of one damaging the other. The present work implemented, monitored, and evaluated a pilot project of selective collection in the districts of Itacoatiara and Camboinhas, also located in Niterói. An average of 900 kilograms of material with recycling potential were taken weekly in the Itacoatiara district, an amount 3 times higher than what was collected before the operation, proving the effectiveness of the new model. In Camboinhas, similar results were obtained, although they needed to be improved in some respects. Thus, it was found that changing the type of vehicle and optimizing the collection were crucial points to improving the efficiency of the carried-out processes.