Abstract
Abstract Municipal solid waste (MSW) management has emerged as one of the major environmental challenges globally. The consequences of inappropriate waste management are manifold and the trend would continue if immediate interventions are not taken for its reversion amid rapid urbanization and current consumption patterns of individuals. The concept of circular economy (CE) can contribute to a paradigm shift in the transformation of the traditional linear approach that does not favour reuse, recycle, recovery concept. Modern and proven waste management practices with collection systems, recycling facilities, sanitary landfills, and waste-to-energy (WtE) and nutrient recovery offer opportunities to improve urban environment through the valorization of waste and by-products in a CE. This study scrutinizes the existing literature on the assessment of circularity and helps to develop a unified circularity framework in the management of MSW in cities. Key aspects such as tools for measuring circularity, nexus and trade-offs, and conditions in promoting CE are discussed. Finally, this paper elucidates the need for circularity, including enablers and inhibitors for promoting circularity in the management of MSW with a case study in the city of Curitiba, Brazil.
Highlights
Municipal solid waste (MSW) management has emerged as one of the major environmentalEnvironmental and Climate Technologies2021 / 25 challenges globally
The main objective of this study is to identify and evaluate the studies that are used to measure the performance of MSW management in cities
2021 / 25 circular concept? ̶ How can conditions be established for promoting circular economy in waste management? ̶ What are the trade-offs and synergies in the integrated assessment of municipal waste management? we applied the circularity measurement framework for urban waste management: what are the conditions and how circularity can be promoted in the city of Curitiba, Brazil (Section 4)?
Summary
Municipal solid waste (MSW) management has emerged as one of the major environmental. Modern and proven waste management practices with collection systems, recycling facilities, sanitary landfills, and waste-to-energy (WtE) recovery offer opportunities to improve local urban environment, while adding value to the waste and by-products [2], [7]. Different solid waste treatment scenarios are analysed in rapidly urbanizing cities in developing countries[23]. The role of MSW management and WtE is considered as a key in the implementation of a CE and bio-based economy [5], [27]. In spite of tools and techniques in the assessment of MSW management and introduction of the concept of CE in the waste sector, there is limited literature on how to measure the circularity in a holistic and integrated way. This study aims to systematically review the existing literature on the assessment of circularity and propose a unified framework for assessing the CE in the management of MSW in cities
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