Veolia Water Solutions & 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 Solutions & Technologies is made of 135 business units worldwide


Creating water solutions for the marine industry.

Veolia Water Solutions & Technologies, through its dedicated subsidiary RWO, is one of the leading suppliers for water and wastewater treatment systems on board ships and offshore installations.

For more than 35 years, experts at RWO have been developing, designing, manufacturing and servicing innovative and cost-efficient technologies for all types of water treatment, whether on board ships or offshore installations, for new builds as well as retrofitting.

The clear leader in ballast water treatment

CleanBallast™ disinfection unit

RWO's CleanBallast™ system treats ballast water by reliably removing organisms, sediments and suspended solids in two steps:

  • a DiscFilter™ for mechanical separation when taking in ballast water
  • followed by our advanced EctoSys™ disinfection unit which further reduces the number of living organisms in the water before reaching the ballast water tanks


Addressing the marine industry's water challenges

We understand shipyard and ship owner's needs and requirements.
Our wide portfolio of water treatment technologies includes:

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