Hazardous Waste Landfills
Best Practices and Challenges in the Face of a Circular Economy
DOI:
https://doi.org/10.22567/rep.v14i2.1066Keywords:
aterros de resíduos perigosos, resíduos perigosos, mineração em aterros, gestão de resíduosAbstract
The inadequate management of hazardous solid waste poses environmental and public health risks, demanding sustainable alternatives. This study aims to evaluate operational practices in Class 1 Landfills and analyse the potential of Landfill Mining as a circular economy strategy for the remediation and recovery of raw materials in disposal sites. The central case study is the Caieiras Landfill, in São Paulo (SP), Brazil. The methodology employed bibliographic review, documentary analysis, and field inspections to assess the aspects of the landfill's design, construction, operation, and closure, verifying compliance with current regulations for Class 1 Landfills. The results confirm that the Caieiras Landfill-SP adopts management and engineering practices compatible with legislation. The analysis of the Landfill Mining process indicates the possibility of revenue generation, job creation, and reduction of environmental liability. However, the study highlights the need for in-depth evaluations on the economic viability and socio-environmental impacts of its application to hazardous waste. It is concluded that Landfill Mining represents an opportunity for more advanced management of hazardous waste, requiring investment in research and development of technologies for the optimization of this valorization process.
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