Construction du filtre
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Paris, January 7, 2022 — After more than three years of work, the City of Paris has officially completed the ambitious redevelopment project of the Bois de Boulogne stormwater overflow structure, located in the Bois de Boulogne, in the 16th arrondissement. This large-scale project aims to improve stormwater management and reduce pollutant discharges into the Seine River.
Based on ecological engineering, the Life Adsorb prototype combines “grey techniques” and “green techniques”. It includes storage of the water to be treated in existing sanitation infrastructures.
The City of Paris carried out a sanitation works program between July 2018 and December 2020 in the northeastern part of the Bois de Boulogne. The objective was to reduce pollutant discharges into the Seine from the Bois de Boulogne storm overflow and to eliminate the discharge of clear water from the Saint-James pond and the Neuilly pond into the combined sewer system of the municipality of Neuilly-sur-Seine.
In Paris, an area that is emblematic of environmental issues in urban areas, the storm overflow crosses the Bois de Boulogne. It discharges rainwater from a section of the ring road directly into the Seine, and on rare occasions wastewater. To improve the management of urban discharges during rainy weather, the City of Paris has planned to upgrade the spillway by equipping it with a storage system and filtering water before it is discharged into the Seine.
The Life Adsorb project brings together the City of Paris and a multidisciplinary team made up of academic partners (ENPC, INRA, UPEC, AgroParisTech), operational partners (CEREMA) and the EcoBIRD consultancy compagny.