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

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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.



Waste Characterisation

Waste characterisation of source separated organic household waste includes contents of total solids (TS), volatile solids, lower heating value, methane potential, contents of C, N, P and K. Finally plastic, which may or may not be used in collection shall be given. Figure 8 shows examples of waste composition sets, which all can be altered by the user. The data sets are from a Danish examination (Christensen et al., 2002) and should be replaced by data relevant for the user (data can be punched in, in the yellow area and the names can be changed in the names & id sheet). The choice of waste type in the input data box (Figure 5) defines which composition is chosen. Figure 9 shows an example of a choice.


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