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2408. Scheduling organic waste collection operations in the circular economy
Invited abstract in session MC-23: Sustainable food supply chains, stream Circular Economy, Remanufacturing and Recycling .
Monday, 12:30-14:00Room: 82 (building: 116)
Authors (first author is the speaker)
| 1. | Marieke Brederveld
|
| 2. | Renzo Akkerman
|
| Operations Research and Logistics, Wageningen University | |
| 3. | Sander De Leeuw
|
| Wageningen University & Research |
Abstract
Currently, most organic waste in the Netherlands is used to produce biogas, but organic waste could also be used to produce higher value bio-based materials. This however adds additional considerations to the waste collection system, as it requires organic waste fractions to be collected separately, and to be processed within strict time limits (e.g., before mould can start to grow). These shelf life and separation requirements limit the possibilities to achieve economies of scale in collection. As a result, the environmental and cost benefits of waste valorisation are compromised.
This research contributes to the existing literature by considering the shelf life for low-volume waste collection. In order to increase the efficiency of the collection of concentrated organic waste, we develop a modelling approach to schedule the collection of multiple waste types, also considering the possibility of using different, possibly compartmentalised, vehicles. By allocating the vehicles, the aim is to keep waste separated while reducing the travelled distance. The results show trade-offs between for instance the value of biomass and the cost of transport. In addition, the scheduling model provides insight in the usefulness of different vehicles types and sizes in waste collection activities in a more circular economy.
Keywords
- OR in Sustainability
Status: accepted
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