Ballastwasser-Behandlungssystem für Schiffe
C2E OceanSaver AS

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This unique technology provides a mixture of oxidants with very short half-life characterised by a very rapid consumption when injected into the ballast water. The process is advantageous when compared with conventional electrolysis or oxidising disinfectants as it require only a very limited dosage (the concentration injected in the Ballast Water initially (maximum value), is below 2.5 mg/L). Typical consumption rates are illustrated in the figure below.

Decay of OceanSaver's Anolyte during third party land-based testing for Type Approval at NIVA's test facility, Solbergstrand - Norway.

A small portion of the ballast water, approximately 1,6% is fed to the C2E and used as an electrolyte in the membrane cell where the membrane is isolating the electrodes forming "anode chambers" and "cathode chambers" producing "anolyte" and "catholyte" respectively. The anolyte is acidic whilst the catholyte is an alkaline. The anolyte is partially neutralised by mixing with the catholyte to achieve the desired oxidant mix. When this mix is injected into the ballast water, chemical processes will take place creating additional oxidants - oxidizing organic matter present in the ballast water very rapidly.