Greenhouse gas emission per ton food waste treated

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The amount of food waste that is transported to the Datianshan plant was relatively well specified, but being a well-established solution, this part of the food waste was not considered for biogas production. Instead, the shares sent to landfill, pig farms, and incineration were in focus and varied (see Table 3). The development scenarios were all defined based on the “base scenario”, involving different shares of food waste to different treatments (defined in Table 3). Figure 5, Figure 6 and Figure 7 show the results of system modeling. The included uncertainties are due to uncertainties in the amount of biomethane that can be produced—see Section 3. Other types of uncertainties (such as uncertainties in the available amount of food waste, possible pretreatments required, or distances) are excluded in these results.