Client : Régie d’assainissement des eaux du bassin de Laprairie (RAEBL)
Date : 2014
City: La Prairie
Upgrading of the La Prairie water treatment plant
The Régie d’assainissement des eaux du bassin de Laprairie (RAEBL— Laprairie Basin Water Treatment Department) treats wastewater coming from the cities of Candiac, Delson, La Prairie, Sainte-Catherine and Saint-Constant. With these areas becoming increasingly developed and new waste management requirements being implemented, the RAEBL must perform updates and standards-compliance upgrades to its plant, which uses an activated sludge treatment process involving extended aeration. One of RAEBL’s objectives is to reduce operating costs by producing stabilized granular sludge for agricultural use.
The work plan includes: