Sewage Treatment Plant

The prevention of pollution by sewage are contained in MARPOL

• Annex I

• Annex II

• Annex III

• Annex IV

Components of Sewage Treatment Plant which help in removing the non-sewage like tissue paper, solid particles and plastics

• Primary Chamber

• Aeration Chamber

• Coarse Mesh/Screen Filter

• Air Blower

Components of Sewage Treatment Plant which supply air to the activated carbon tank and to back flush the sludge

• Air Blower

• Chlorinator

• Discharge Pump

• Settlling Tank

•The ship can discharge comminuted and disinfected sewage using an approved system at a distance of more than three nautical miles from the nearest land

• True

• False

Components of Sewage Treatment Plant to control the start-stop of discharge pump

• Float & Level Switches

• Coarse Mesh/ Screen Filter

• Air Blower

• Chlorinator