Vertical flow reed bed filter (French system) followed by a trickling filter and a treatment with apatite treat the pollution of raw domestic sewage. Capacity : 1500 p.e. Vegetated effluent discharge area before final reject into the small river "Merderic".
Client: Høje-Taastrup Municipality
Location:Kallerup, Denmark
Established: 1996
Number of basins: 2
Sludge type: Activated sludge
Sludge volume: 240 tonnes DS/year
PE, amount: 9,000
Resolis: Two 200m2 horizontal subsurface flow wetlands operated in paralell treating 10m3/d of secondary sewage.
Client: Helsinge Municipality
Location:Helsinge, Denmark
Established: 1996
Number of basins: 10
Sludge type: Activated sludge
Sludge volume: 630 tonnes DS/year
PE, amount: 40,000
- Adapted „French system“ for a nursing home, Hogar de Ancianos Sta. Ana y San Joaquín y Asociación Ayuda Me Perú
- All treated wastewater is reused for irrigation of agricultural used area
- The 2 staged wetland system treats the domestic effluent of 55 residents and employees
- The pre-treatment is carried out on the surface of an planted, vertical flowed gravel bed wetland with 2 charging points, used alternately (2 and 2 days)
- The post-treatment is carried out in an planted vertical flowed sand bed wetland with 4 divisions to maintain always the biologically activity in all parts of the wetland
Design, Construction and Operation and mantainmance by Rotaria del Perú, online monitoring by SCADAweb
A 11000 m2 artificial pond and 2600 m2 reed bed filters were created for the storage and treatment of stormwater and runoff from Servier pharmaceutical Laboratories site in Gidy. Designed to be able to treat once-a-century rainfall. Capacity : 12000 m3. Design : Epur Nature. Established : 2014.
Saint Bonnet le Froid : a 900 m², vertical flow reed bed (French system) plus a 600 m² second stage unsaturated vertical flow red bed for the treatment of domestic effluent from a village with variable population.











