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Client: City of Claye-Souilly
Location: Claye-Souilly (77)
Project: Sludge storage sheds
Mission: Architecture HEQ® and landscaping
Design & built: AR ARCHITECTES, Degrémont Suez, ZUB, PINTO
Area: 2 500 m²
Capacity: 72 000m3/h (polluted air)
Cost: 2 000 K € HT
Date: May 2011

The sludge storage platform is partially made of reinforced concrete with partition walls 2,20m high. Above this height, a galvanised metal truss holds a larch wood cladding and translucent polycarbonate siding material. On the south side of the works there is a planted filter with a surface of 135m² to treat 72 000m3/h of polluted air coming out from the 2500m² of a storage shed.

Treated HEQ® targets :

Target 5: water management

• The domestic hot water is warmed by the thermal solar cell. Its surface is 2 to 3m ² For a tank of storage of 300L, it allows to produce 100 to 150L of warm water per day, that is 100 % of the consumption of two persons.The realized economy is 300 in 450€ per year.
• Recycling rain water Shed allows to feed a storage tank of 10 m3, either approximately 3m3 of water of watering a day, or 9€ of economy realized a day, or approximately 2 500€ per year. The planted organic roof allows to eliminate 50 % of the rainwater by evapotranspiration.
• The annual water consumption is estimated to Approximately 300 L/m ² for the irrigation, according to Climatic conditions, that is approximately the 40m3 per year.


Target 13: Air management

• The design of z biofilter for air treatment presents numerous advantages:
- The treatment of the polluted air by the plants creates zero impact on the surrounding inhabitants.
- The landscaped integration
- Low and easy maintenance.
- Economical comparing to another high energy consuming Energy

The biofiltration is a technology used to treat the polluted air with high concentrations in ammoniac type (chap) (NH3) and hydrogen sulphide ( H2S).
The biofiltration has many advantages comparing to chemical-physical air filtration. It is economic and ecological.

Treatment by biofiltration takes place in two stages:
- 1st stage : pollutants settle on the recovering substratum.
- 2nd stage: microorganisms biodegrades the pollutants. Plants absorb the products that serve to regulate its microbial growth.

The biofilter integrates a water management system which has two objectives:
- Irrigation and the filtration of the plant

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