| Title | Life cycle assessment of municipal biowaste management-a Czech case study |
|---|---|
| ID_Doc | 6538 |
| Authors | Guillaume, A; Appels, L; Kocí, V |
| Title | Life cycle assessment of municipal biowaste management-a Czech case study |
| Year | 2023 |
| Published | |
| Abstract | As part of coming targets to transition to a sustainable society and actively set a circular economy, one of the EU objectives is to decrease the amount of municipal solid waste and initiate the separation of its organic fraction, i. e., biowaste. Consequently, the question of how to best manage biowaste at the municipal level is of high importance, and previous research has shown the strong influence of local factors on the most sustainable treatment option. Life Cycle Assessment is a valuable tool for comparison of waste management impacts and was used to assess environmental impacts of the current biowaste management in Prague and give insight for im-provements. Different scenarios were created regarding EU and Czech biowaste targets for separated collection. Results show the significant influence of the source of energy that is substituted. Consequently, in the current situation of an energy mix highly based on fossil fuels, incineration is the most sustainable option in most impact categories. However, community composting was found to have a better potential to reduce ecotoxicity and resource use of minerals and metals. Furthermore, it could supply a significant proportion of the minerals need of the region while increasing the autonomy of the Czech Republic regarding mineral fertilisers. To meet targets of EU directives for separated collection of biowaste, a combination of anaerobic digestion, to avoid use of fossil fuels, and composting, to increase circular economy, is most likely the best option. The outputs of this project would be of great significance for municipalities. |
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