R&D: COMPETENCES DECONTAMINATION AND DISINFECTION OF WATER. SOLAR PHOTOCHEMISTRY Pilot plants for photocatalytic decontamination and disinfection of water and other photochemical processes at ambient temperature. Pilot plants for biotreatment (SBR, IBR, ...), ozonation, H2O2/UV, UVC, flocculation, micro and nanofiltration of water and wastewater. Pilot plant for hydrogen production by photocatalysis.