Treatment of aqueous and gaseous effluents
Faced with tensions on water, Colas Environnement offers modular filtration solutions thanks to its expertise in soil and groundwater remediation.

Our treatment processes are tailor-made and capable of treating any type of pollution using controlled technologies:
- Odor treatment,
- Physico-chemical treatment,
- Aerobic and/or anaerobic biological treatment,
- Biofilter, filtration by filter media (ion exchange resins, ion exchange resins, activated carbon, iron oxide, sand...), ultrafiltration...
- Supernatant phase skimming, etc.
Many customers and partners trust us to manage their water treatment or gaseous waste problems in a constrained industrial environment.
Our effluent treatment solutions are also implemented on groundwater reduction sites, pond water treatment, treatment of fire extinguishing water loaded with PFAS...