Sewage sludge disposal at the Cloppenburg sewage plant (1.6.20-31.5.23).

Thermal disposal of the sewage sludge from the Cloppenburg sewage treatment plant, item 1: 7,500 t of sewage sludge dewatered with lime, item 2: 15,000 t of sewage sludge dewatered with polymers (1.6.20-31.5.23).