1. 1  Research and development: a permanent priority to tackle environmental challenges and set our offer apart from the others  Sharing of key resources with Veolia Environnement - 600 specialists worldwide; €105 million invested in R&D in 2005 - Anjou-Recherche, CREED (Environment, Energy and Waste Research Center), Environmental Analysis Center  A portfolio comprising 200 owned technologies and 1,000 patents VWS: technological excellence and innovation

2. 2 Physicochemical treatments Actiflo ® High-rate lamella clarifier used to produce drinking water, to treat wastewater and rain water, and used for tertiary treatment (final refining). Hydrex ® VWS chemical component activity to preserve equipment, ensure equipment maintenance, improve equipment performance. VWS creator of technological solutions:

3. 3 Biostyr ® Compact submerged biological aerated filter to eliminate carbon and nitrogen pollutants. Biological treatments BioDenipho ® / BioDenitro ® Sewage technologies activated to treat wastewater using a purifying biomass. VWS creator of technological solutions:

4. 4 Membrane treatments Biosep ® Submerged membrane bioreactor to treat concentrated effluents. VWS creator of technological solutions: Orion Quattro, Orion TTS ® Filtering technology combining reverse osmosis and continuous electrodeionization to produce ultra-pure water. Reverse osmosis Membrane technologies for the pre-treatment, washing or recycling of ultrafiltrates or for desalination.

5. 5 Athos® Wet oxidation reactor for complete mineralization of wastewater sludge. Thermal treatments VWST creator of technological solutions: MED® Multiple Effect Desalination technology (municipal or industrial) with steam thermocompressor.

6. 6 Aquilair ® Physical and chemical deodorisation process involving the transfer of odorous gaseous molecules to a liquid phase. Treatments of air and odors VWST creator of technological solutions: All VWS solutions are in Odowatch ® Solution based on electronic nose technology used to monitor and track odor impact for the entire water treatment installation. Alizair ® Biological deodorisation process (bioscrubber) using the bio- filtration technique.