RWO uses the Oily Water Separator Type SKIT/S technology which has been fitted successfully to more than 7 000 vessels. RWO is a 100% subsidiary of ELGA Berkefeld GmbH a renowned German plant manufacturer with over 110 years experience in all fields of water treatment technology.

RWO offers today all kind of water and waste water treatment as well as vacuum technology and ballast water filtration systems for shipboard use. RWO has developed CleanBallast, a technology for onboard treatment of ballast water which reliably removes organisms, sediments and suspended solids in just two steps:

• a DiskFilter system for mechanical separation when taking in ballast water,

• followed by our advanced EctoSys® disinfection unit which further reduces the number of living organisms before reaching the ballast water tanks.