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Biowaste

Decision support tool for collection and treatment of source-sorted organic municipal solid waste

image of Biowaste

Waste management strategies focus on waste minimization and on better utilisation of the resources in the waste in all the Nordic countries. Better handling of municipal waste is in focus, as it is a significant waste fraction with many unused potentials. A tool for support of local decisions about handling of the municipal organic solid waste has been developed in order to cover the spectrum of technological solutions available today and further include the local conditions and priorities in the Nordic countries. The tool focuses on the most important environmental aspects without losing the national or global perspective. Further the tool is kept simple in order to secure that the necessary information can be provided locally.

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Pre-Treatment

Pre-treatment of source separated organic household waste may be necessary if biological treatment is chosen. The technology dataset for pretreatment includes power and oil consumption as well as a set of allocation parameters that distribute waste substances to biomass (biological treatment) and to reject (incineration). The allocation parameters distribute each substance in the waste (TS, water, VS, C, N, P, K and plastic) to biomass and to reject. The sheet “Technologies” includes up to six technologies of which one is a non-pre-treatment method having all allocation parameters to 1 to biomass. The box is seen in Figure 10.

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