Client: Nakskov Municipality

Location: Nakskov, Denmark

Established: 1990

Number of basins: 10

Sludge type:Activated sludge

Sludge volume: 870 DS/year

PE, amount: 33,000

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

 

Full scale pilot plant treating CSO overflow in the Greater Lyon area.

Bauduen : a 2-stage Vertical FLow  reed bed filter (French Design) for the treatment of domestic effluent from a village with variable population. A UV tertiary treatment ensures pathogens removal for protection of the bathing area in the lake downstream.

In 2001, IRIDRA managed the design of a constructed wetlands system for the wine-producing firm “Tenuta dell’Ornellaia”, Leghorn, Italy. The system consists of vertical flow constructed wetlands (SFS-v) as a first stage followed by a second SFS-h stage with recirculation to the first stage and then by a single FWS. It treats wastewater from the firm, which allows water to be reused for irrigation

Client: Kolding Municipality

Location:Kolding, Denmark

Established: 1998

Number of basins: 13

Sludge type:Activated sludge and digested sludge

Sludge volume: 2,000 tonnes DS/year

PE, amount: 125,000

 

At Escurolles, in central France (Allier), a reed bed fed with raw sewage assures primary and secondary treatment for 705 PE , followed by a tricking filter for polishing and nitrification 

Client: Rudkøbing Municipality

Location: Rudkøbing, Denmark

Established: 1992

Number of basins: 8

Sludge type:Activated sludge

Sludge volume: 232 tonnes DS/year

PE, amount: 13,000

Treatment of aerobically stabilized sewage sludge from an activated sludge plant (“extended aeration”) – 13 000 p.e.

One stage of reed beds fed with raw sewage assures primary and secondary treatment for 1200 People Equivalent, followed by a trickling filter for polishing and nitrification. A tertiary UV treatment enables a pathogens removal by 4 U log.