Water quality performance of road runoff biofilters : retention of particulate and dissolved phase micropollutants

Kelsey Flanagan (1) , Steven Deshayes (1) , Mohamed Saad (1) , Emilie Caupos (1) , Lila Boudahmane (1) , Chandirane Partibane (1) , Philippe Dubois (1) , Laurent Meffray (2) , Philippe Branchu (2) , Marie-Christine Gromaire (1)

1 LEESU - Laboratoire Eau Environnement et Systèmes Urbains
2 TEAM - Transferts et interactions liés à l'eau en milieu construit

In order to study the treatment efficiency of a vegetative filter strip and a biofiltration swale, outlet event mean concentrations are compared with those in untreated road runoff for trace metals and organic micropollutants (polycyclic aromatic hydrocarbons, alkylphenols, bisphenol-A, phthalates), distinguishing between the particulate and dissolved phases. While particulate pollutants were generally well removed, leading to a good removal of total pollutants, performance was often poor for dissolved pollutants.

Domaines: Sciences de l'environnement; Ingénierie de l'environnement; Hydrologie

Kelsey Flanagan, Steven Deshayes, Mohamed Saad, Emilie Caupos, Lila Boudahmane, et al.. Water quality performance of road runoff biofilters : retention of particulate and dissolved phase micropollutants. 14th International Conference on Urban Drainage, Sep 2017, Prague, Czech Republic. ⟨hal-02065482⟩