Two stage vertical flow wetland with recirculation. The system treats the wastewater from the ecological office building. The treated wastewater is reused for toilet flushing.
2-stage vertical flow reed bed filter treating raw domestic sewage (French system) with a capacity of 650 P.E. Treated effluent goes through a filtering ditch and is rejected into the river Bourdic.
Dufftown: An 800m2 surface flow reed bed, treating 650 m3/d of copper contaminated effluent from three distilleries.
Saint Germain sur Ille : a 500 PE waste stabilization pond boosted to 900 PE by addition of reed bed filters with high standards for phosphorus and total nitrogen removal.
Client: Sorø Municipality
Location: Tuelsø, Denmark
Established: 2003
Number of basins: 10
Sludge type: Activated sludge
Sludge volume: 550 tonnes DS/year
PE, amount: 22,000
Client: Galten Municipality
Location: Skovby, Denmark
Established: 1995
Number of basins: 8
Sludge type:Activated sludge
Sludge volume: 185 tonnes DS/year
PE, amount: 12,000
Seefood processing plant where the wastewater from cleaning fish and shellfish is treated in a VF wetland planted with papyrus.
The effluent is reused after ozonisation in the plant.
Peterborough: A 2,570m2 Horizontal sub-surface flow reed bed treating hydrocarbon loaded run-ff with peak flows of 1,420 m3/day.