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

Orelle (French Alps): a 1200 m², vertical flow reed bed (French system) plus a 800 m² second stage unsaturated vertical flow reed bed for domestic effluent under cold climate conditions.

 

Client: Nordborg Municipality
Location: Nordborg, Denmark
Established: 2003
Number of basins: 10
Sludge type: Activated sludge and digested sludge
Sludge volume: 350 tonnes DS/year
PE, amount: 15000

A vertical flow reed bed (French system) and a vegetated polishing zone (surface flow wetland)  treating 117m3/d of domestic effluent from a village with variable population

Aerated wetland at nursery home in Belgium

Aerated wetland for a hotel in Antwerp, Belgium

The two stage reed bed system at Aumont (500 PE), in the French Jura mountains meets stringent discharge standards in phosphorous removal through a third stage filtration with reactive media

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

Intensified (aerated) wetland for wastewater treatment of 800 employees at the administrative center of a mining company, situated near Belo Horizonte, Brazil.


Conception: 2 Septic Tanks for pre-treatment, aerated wetland as main treatment and horizontal flow constructed wetland post treatment.  

Wetland project and execution by Rotária do Brasil, Landscaping only execution by Rotária do Brasil.

 

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