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

The municipal centralised treatment plant (a classic activated sludge technology) for the wastewater produced by the municipality of Jesi (Ancona province – central Italy) has been upgraded in the year 2002, with the realisation of a new “nitrification-denitrification” compartment and a hybrid Constructed Wetland as polishing stage. 

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

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.

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

Crynant: Two 1,200m2 vertical flow reed beds operated alternately to treat 3,400 m3/d of tertiary municipal waste water.

 

Wastewater treatment plant for 1200 p.e. at St-Affrique-les-Montagne, south west of France (Tarn), with 1 vertical flow reed bed combined with a surface flow polishing treatment

Client: Vallø  Municipality

Location:Strøby Ladeplads, Denmark

 

Established: 1998

Number of basins: 8

Sludge type: Activated sludge

Sludge volume per year: 300

PE, amount: 9000

 

Allenwiller : a 1700 m², vertical flow reed bed (French system) plus a 960 m² second stage unsaturated vertical flow reed bed filter, treating 495 m3/d of domestic effluent from three villages (1100 PE) in Alsace.