Gerold-Janssen-Straße 2
28359 Bremen, Germany
Phone: +49 421 53705 - 0
Fax: +49 421 53705 - 440

Managing Marine Water since 1975

Bilge Water Treatment

RWO's classic

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Wastewater Treatment

Ensure Safe Water on Board

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Fresh Water & Process Water Treatment

To Enjoy Every Drop


Multi-local presence


  • June 6-10, 2016

    Posidonia Athens

    Posidonia is an international shipping exhibition for serious business at the largest gathering in the shipping calendar.

    Find us at the booth of Agent Franman in hall 4, booth 4.109.

    We look forward to see you!

  • September 1, 2016


    Fleetgeflüster is an important annual event for exclusive customers from shipping lines, shipyards and industrial companies.

  • September 5-9, 2016

    SMM Hamburg

    This year's 27th SMM is the leading international maritime trade fair.

    Find us in hall A1, booth A1.218. 

    We look forward to see you!

  • October 17-18, 2016

    Green Shipping International Summit

    The Green Shipping International Summit is a place to talk about the latest and future trends in the marine industry.

    Find us at booth no. 4.

    We look forward to see you!

  • October 19-22, 2016

    MTB Marine Europe - Malta 2016

    MTB is offers one to one appointments between Managers and Buyers from leading European shipowning and ship management companies together with the supplier companies from all areas of the marine industry.

    We look forward to see you!

Discover our new SRO-COM

Compact Seawater Reverse Osmosis Desalination


Equip your commercial vessels, offshore platforms, cruise ships etc. with the newest product in RWO's portfolio, the SRO-COM 10 and SRO-COM 25, and get on-board seawater desalination.

Our SRO plants are environmentally friendly as no regeneration waste water is produced during the process. Also, they are easy to operate and require little manpower.