Reuse of water
Reuse of appropriately treated industrial or municipal wastewater can reduce your manufacturing costs through...
Information Files
UV Treatment
The ultraviolet rays technique - whose anti-bacterial properties have been known for many years ...
Sludge - Thermal treatment
The choice of an end use for the sludge is usually made by taking into account the local, regional and economic context ...
Sludge - Treating and eliminating
Multi-process solutions help to achieve an optimum cost/safety ratio for each municipal authority...
Softening
The high water hardness levels found in some water pose practical problems for both domestic and industrial customers.
Veolia Water's R&D
The company was founded morethan 150 years ago under the name "Compagnie Générale des Eaux". In 1889 Veolia Water set up an eminent research centre, based at rue d'Anjou in Paris, the company's historic headquarters.
Screening and straining
These two terms refer to the same function - that is of water passing through small bars or small holes in order to retain any matter whose size is greater than the area the water is passing through ...
Sludge - Physical-chemical treatment
Liming entails obtaining and maintaining a pH greater than 12 for several months. The lime dosage in the form of slaked lime varies from 20 to 50% depending on sludge type ...
Ozone
Ozone, whose chemical formula is O3, is a gas which is naturally found in the upper most layers of the atmosphere, where it is created from oxygen due to the effect of ultraviolet rays ...
Granular Media Pressure Filtration
Granular media is contained within a pressure vessel, typically GRP or coated steel. Water enters the top of the vessel and flows downwards through the bed of media, exiting through a collector system at the base. Contaminants are removed by straining and/or adsorption depending on the chosen media.