Public Tender (Service) Framework Agreement For The Removal And Recycling Of Sewage Sludge/Sand Trappings The City Of Hessisch Lichtenau Intends To Commission The Removal And Recycling Of Sewage Sludge/Sand Trappings From The Fürstenhagen Sewage Treatment Plant And For The Recycling Of Wet Sludge From The Sewage Treatment Plant. More