Prevention of Corrosion of Sea Water System:

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.prevention of corrosion

Sea water systems can be protected using some prevention measures, such as-

1. Material selection should be good.

            -steel

            -copper alloy

            – aluminium alloy can be used.

2. Improvement (alloy) in material should be done

3. Alteration of environment can improve corrosion such as

            – low temperature

            – lower flow rate

            – change pH – increase alkalinity

            -add inhibitors

4. Cathodic protection such as

            – sacrificial anode

and

            – ICCP (Impressed Current Cathodic Protection) gives protection

These Can protect  sea water system.

5. Coating protection

            – Paint

            – Metal painting

            – organic coating (rubber lining)