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Title: Door-to-Door Collection of Food and Kitchen Waste in City Centers Under the Framework of Multimunicipal Waste Management Systems in Portugal: The Case Study of Aveiro
Author: Rodrigues, J.
Oliveira, V.
Lopes, P.
Dias-Ferreira, C.
Keywords: Food waste
Kitchen waste
Source segregation
Municipal solid waste
Compost quality
Issue Date: 2015
Publisher: SPRINGER
Abstract: Separate collection of biowaste represents in Portugal only 2 % of total collected biowaste. Even though higher quality compost can be obtained through the separate collection of biowaste, this is generally regarded as more expensive and discarded as an option. In this work we assessed the viability of implementing the separate collection of biowaste targeting restaurants and canteens in city centers, using Aveiro as a case study. The current situation (no separate collection for biowaste) was compared with an alternative scenario in which biowaste was separately collected and valorized. The costs, constrains and the producers' attitude towards such a collection scheme are presented and discussed. On average 0.46 kg of biowaste were produced per meal served. The acceptance of separate biowaste collection was high (67 %) among producers, and it could be increased further through informative campaigns and economic incentives such as pay-as-you-throw tariffs. Door-to-door collection of biowaste could reduce the cost per ton as much as 37 %, when compared to collection as unsorted waste. The major constrains for the implementation of separate collection of biowaste were the selection of alternative legal destinations to the MBT unit (which has the exclusivity to treat collected waste) and the lack of dedicated infrastructures at multimunicipal waste management facilities to handle separately collected biowaste.
Peer review: yes
DOI: 10.1007/s12649-015-9366-3
ISSN: 1877-2641
Publisher Version: 10.1007/s12649-015-9366-3
Appears in Collections:CICECO - Artigos

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