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.

Aerated wetland for a hotel in Antwerp, Belgium

 

Beautiful two stage French system treating the wastewater of a hamlet in the outskirts of Paris

Aerated wetland of 360 m², treating the sanitary waste water from an elementary school.

A horizontal subsurface flow constructed wetland treating the wastewater from a housing scheme in the tropical island of Mayotte 

20 years old French system serving 200 p.e. in the Lyon area

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.

 

Vertical flow constructed wetland, treating domestic wastewater from 2 streets in the rural area around Aalter, Belgium

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. 

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.

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