The main reason optical sorted was chosen was it is a proven system, which can be introduced fast and with low efforts and extra costs for house owners. The automated system also meant a lower workload for the staff.
The plant in Linköping sorts two fractions and is run by Tekniska verken AB. The facility was built adjacent to the district heating plant for the rest fraction. The food waste is transported to a pre-treatment plant and the biomass after biogas is produced meats the standards to be used as biofertilizer.