Anglehart-Nunes, Jessy et Glaus, Mathias.
2025.
« Environmental performance assessment of a decentralized network of recyclable waste sorting facilities: Case study in Montreal ».
Recycling, vol. 10, nº 2.
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Résumé
The generation of waste grows yearly. In a centralized approach, more trucks are dispatched to collect the growing demand, with a higher pressure on the road network and greenhouse gas emissions. In contrast, a decentralized approach creates a network of distributed facilities. This study analyzes the impact of a decentralized approach for recyclable waste sorting facilities. It models waste generation, collection, and location of recyclable waste sorting facilities. This approach is applied to a case study in Montreal for polyethylene terephthalate. The case study computes two performance indicators: costs and CO2 emissions. Six scenarios were developed and compared to a baseline scenario. The results show that decentralization reduces greenhouse gas emissions by 20.3% and operation costs by 8.04%. However, investment costs for the new facilities remain an obstacle. These costs can represent up to 89.7% of the expenses in a decentralized context. Nonetheless, decentralization increases the flexibility of waste collection under growing demand, since the distance to collect one ton has reduced by 35.3% and the average truck load per trip has reduced by 12.8%. To apply the model to the real world, further improvements are required. They span technical, economic, and social acceptability constraints.
| Type de document: | Article publié dans une revue, révisé par les pairs |
|---|---|
| Professeur: | Professeur Glaus, Mathias |
| Affiliation: | Génie de la construction |
| Date de dépôt: | 08 mai 2025 15:04 |
| Dernière modification: | 12 mai 2025 18:07 |
| URI: | https://espace2.etsmtl.ca/id/eprint/30905 |
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