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  4. Towards a sustainable supply chain on plastic waste management : a multi-criteria optimization approach
 
conference paper

Towards a sustainable supply chain on plastic waste management : a multi-criteria optimization approach

Amorim Leandro De Castro Amoedo, Rafael  
•
Achi, Diya
•
Kantor, Ivan Daniel  
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July 1, 2021
Proceedings of the 34th International conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems
34th International conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems (ECOS 2021)

Municipal solid waste and waste plastics are currently perceived as an environmental threat. Thermovalorization and recycling are the primary technologies used for disposal, with re- searchers and practitioners advocating for one or the other, but far from a definite consensus. Waste logistics on the other hand proved to be relevant from an economic point of view. The goal of this work is to integrate electric refuse collection vehicles into a waste supply chain structure, assess- ing its viability for waste collection and transportation. The problem follows a mixed-integer linear programming formulation. Results are analyzed, evaluated and ranked based on economic and envi- ronmental aspects to establish several possible outcomes and provide the necessary understanding for informed decision-making. The implementation of an electric fleet leads to an improvement of the overall system. Logistics are responsible for major expenditures, ranging from 37% to 80% of the total cost. The integration of an electric fleet significantly reduces the operating costs and leads to a payback time below 5 years. Additionally, the impact of logistics on environmental metrics is reduced by 30%. Sensitivity analysis on the cost of electricity reveals that solutions with lower environmental impact appear to be more robust.

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Type
conference paper
Author(s)
Amorim Leandro De Castro Amoedo, Rafael  
Achi, Diya
Kantor, Ivan Daniel  
Maréchal, François  
Date Issued

2021-07-01

Publisher place

Taormina

Published in
Proceedings of the 34th International conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems
Subjects

Sustainable supply chain

•

Electrical mobility

•

Waste management

•

Waste plastic

•

multi-objective optimization

•

Plastic recycling

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
SCI-STI-FM  
Event nameEvent placeEvent date
34th International conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems (ECOS 2021)

Taormina, Italy

June 28-July 2, 2021

Available on Infoscience
October 13, 2021
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/182151
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