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.
The LIFE ADSORB project is testing new ways of depolluting water that comes mainly from rainwater run-off from the ring road, with occasional contributions from wastewater. The goal is to remove 95% of the mineral and organic pollution (macro and micro pollutants).
The LIFE ADSORB project explores a number of aspects in order to gain a comprehensive view of stormwater treatment using a reed filter. The results obtained are presented in this section.
The implementation of European environmental policy is carried out through the LIFE programme, its main instrument for the environment and the protection of nature.
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.
Order to preserve the quality of the Seine, it has become necessary to treat pollutants (macropollutants and micropollutants) from a busy road, a section of the Paris ring road. The chosen purification solution is a vertical reed bed filter located in the heart of the Bois de Boulogne.
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.