In a comparison between source separation and central
sorting of food waste, the latter turns out to be a better choice
regarding economic aspects. The main reason for this is that
the capital costs related to central sorting are lower compared
to the costs for a system with source separation of the food
waste. Regarding the environmental aspects, the two systems
are almost equal. Uncertainties within the results primarily
concern the performance of a central sorting system. Even
though it’s not evident, the assumption made is that the
sorted fractions from the central sorting facility hold an equal
quality with the one from a source separation system.