Veolia Water Technologies
1 place Montgolfier
94417, Saint Maurice

Tel: +33 (0)1 45 11 55 55
Fax: +33 (0)1 45 11 55 80

Multi-local Presence

Veolia Water Technologies is made of 135 business units worldwide

Odor Control

Veolia Water Technologies has invested years of R&D to develop odor-free treatment plants that are acceptable both for those who work in them and those who live in their vicinity.

Controlling wastewater odors

Although intended to help protect the environment, pumping, water purification and sludge treatment stations can themselves be a source of visual, auditory or olfactory pollution, particularly when they are located in towns, residential areas or tourist destinations.

Veolia Water Technologies helps municipal clients respond to odor concerns and control wastewater odors at and around treatment plants.

Electronic monitoring

OdoWatch® technology

OdoWatch® technology

The "electronic nose network", OdoWatch®, continuously merges odor data with incoming weather data to display odor plumes on an on-screen map of the site and its surroundings. The system identifies main odor sources and can distinguish between site-generated odors and those originating from other sources.

With weather forecast data, OdoWatch® can project odor impact up to 24 hours beforehand, enabling the operator to take appropriate steps to prevent the predicted impact.

Processing solutions

Aquilair™ physical and chemical deodorization


Aquilair™ is a physical and chemical deodorization process in which gaseous molecules are transformed to a liquid phase.

Alizair™ biological odor removal system


Alizair™ is a "green," biological odor removal system that uses bio-filtration to oxidize odorizing molecules in a liquid medium.

These methods are incorporated during the design stage for new installations but can also easily be added to existing plants.

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