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MARINE GROWTH PREVENTION SYSTEM

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MARINE GROWTH PREVENTION SYSTEM
MARINE GROWTH PREVENTION SYSTEM

AIM:

To prevent fouling and growth of marine organisms in the pipe lines which are in contact with sea water.

What is Marine Growth: Ships while sailing use seawater for several purposes. The seawater is used in the ship’s system and discharged after the use. However, seawater contains several marine organisms which enter the ship along with the seawater and deposit and flourish on the parts of the ship’s system. If preventive measures are not taken, the marine growth can cause damage to the particular part in the long run. In this article we will learn about the causes and effects of marine growth in a ship’s system along with the measures to fight it.

What Causes Marine Growth: Sea water contains both macro and micro marine organisms such as sea worm, molluscs barnacles, algae, hard shells like acorn barnacles etc. These organisms stick to the surface of the ship and flourish over there, resulting in marine growth.

Marine fouling can form huge clusters of marine growth inside the piping system of the ship. This is mainly caused because of the entering of the seawater into the seawater system. The organisms find the perfect spot inside the system wherein the environmental conditions and other relevant factors such as temperature, ph, nutrients etc are appropriate for them to breed and disseminate.

Effects of Marine Growth: As the marine organisms flourish they block and narrow the passage of cooling water in the ship’s system resulting in the following factors:

Impairing the heat transfer system. Overheating of several water-cooled machineries. Increase in the rate of corrosion and thinning of pipes. Reduced efficiency which can lead to loss of vessel speed and loss of time.

Fighting Marine Growth:

To avoid formation of marine growth , MGPS or Marine Growth Prevention System is used

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