Hollange : a 432 m², vertical flow reed bed (French system) plus a 288 m² second stage unsaturated vertical flow filter, and a 1200 m² vegetated polishing zone treating 102 m3/d of domestic effluent.

  • 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

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

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".

Segonzac wastewater treatment plant for domestic sewage - Capacity 1600 people equivalent. In the shape of snail, emblem of the village.  Design : Epur Nature. 2014

Aerated wetland treating waste water from a small cheesery and dairy farm

A 10 years old CW multistage system (5 stages: Imhoff+HF+VF+HF+FWS) treating the municipal wastewater for a town of 3500 inhabitants.

Recirculated vertical flow French system for 800 p.e. with polishing in a "natural" horizontal flow wetland 

Vertical flow wetland, 75 PE for an ecological housing project in Arnhem, the Netherlands.

Dufftown: An 800m2 surface flow reed bed, treating 650 m3/d of copper contaminated effluent from three distilleries.