Recovery of dewatered sewage sludge

Summary

Samtgemeinde Zeven is procuring the collection, transport and recovery of approximately 4,000 tonnes of dewatered municipal sewage sludge over 12 months from 1 January 2027. Lot 1 covers material recovery of 2,650 tonnes and Lot 2 thermal recovery of 1,350 tonnes. The sludge has an average dry-matter content of approximately 21–27%, with around 75 tonnes of original substance arising per week; the contract may be extended once for up to one year.