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RWO | Veolia Water Technologies Deutschland GmbH

Booth number: 229-20

About us

RWO, Bremen, the technology brand of Veolia Water Technologies for marine water treatment, is a leading supplier of systems for water and wastewater treatment aboard ships and offshore rigs. For more than 40 years RWO’s experts develop, design, manufacture and service forward looking and cost efficient technologies for any kind of water treatment; Whether onboard ships or offshore installations, for new buildings as well as retrofitting.

RWO’s product portfolio includes the treatment of drinking and process water, oily waters, ballast, wastewater as well as a comprehensive range of after sales services. RWO is the worldwide market leader in the treatment of oily water separation.

Our worldwide network of more than 40 qualified sales/service stations, ensure customer benefit from short communication links and rapid response times. Thus, our wide ranging know-how and products as well listening and catering for customers’ needs have established us as the reliable partner in the maritime economy.

Products and services

Standardised and custom made water and wastewater treatment solutions for ships and offshore installations

Ballast Water Treatment

Waste Water Treatment:

  • oily water separators
  • sewage and grey water treatment
  • grease traps, bilge economisers, oil content meters

Water Treatment:

  • reverse osmosis desalination
  • protection and multimedia filters
  • automatic backwash filters
  • Hydrophor units
  • dosing units
  • chlorination + ozonisation
  • de-chlorination
  • UV sterilisation
  • mineralisation + neutralisation
  • re-hardening
  • softeners


  • complete design
  • engineering
  • manufacturing
  • commissioning
  • after sales
  • spare parts
  • service works
  • upgrade
  • retrofitting


CleanSewage Bio is designed to minimize the attention with sewage treatment to the lowest level possible. Operators and crew are pleased with a hygienic no-touch-cleaning system, an intuitive status control allows checking at a glance, whether the system is running or intervention is necessary. All works can be done from one side. CS BIO works with a proven biological treatment technology compartmentalized in 3 process steps that ensures the highest water quality according to MEPC.2227(64).



The OWS-COM oily water separator complies with the actual IMO Resolution MEPC.107(49) using the combination of the highly effective open porous coalescer together with a second stage emulsion breaking oil and hydrocarbon polisher.



The SRO-COM is a standardized seawater desalination plant for service onboard ships, which serves as an advantageous solution whenever desalinated water for drinking, utility and process applications is needed. The technology is simple, the operation easy and only limited retention is required. This desalination plant has a stable permeate flow over the complete temperature range from 1°C to 35°C. The SRO units come with a built-in concentrate displacement device.


RWO | Veolia Water Technologies Deutschland GmbH
Gerold-Janssen-Str. 2
28359 Bremen

Phone: +49 421 53705-0
Fax: +49 421 53705-440

Ralph Swinka
Marketing Manager
Phone: +49 5141 803-251

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