Seawater intakes

Electrolytic antifouling reduces marine growth in sea chests and sea water intakes.

Anode rods in sea chests

Antifouling MGPS systemThe anode rods (copper and aluminium or iron) are preferentially installed in the sea chests to treat the seawater before entering the piping system.

Location close to the seawater intakes will result in ions produced by the anodes flowing into the cooling system preventing biological fouling.

Anode rods in strainers

Antifouling MGPS in filter houseThe antifouling anodes may be installed in the strainers, either in addition to or as an alternative to location in sea chests.

Anodes in strainers are normally due to lack of space in sea chest, required anifouling boosting effect or need for replacement during operation.

 

Cathodic protection effect

As a result of the DC current impressed through the antifouling anodes to the steel work, the sea chest will be cathodically protected. Hence, the number of sacrificial anodes are reduced or eliminated.

More details on cathodic protection

The simplest method to apply cathodic protection is by connecting the metal to be protected with another more easily corroded metal.
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