Sewage treatment plant

Which of the following is not part of sewage treatment process?

• Aeration

• Settling

• Decomposition

• Chlorination

Which regulation requires ever ship of 400 gross tonnage and above, which engaged in international voyages and carrying minimum 15 persons to have an approved sewage treatment plant?

• MEPC.2(VI)

• MEPC.159(55)

• MARPOL ANNEX 4

• IMO

Which of the following bacteria responsible for decomposing raw sewge?

• Aerobic bacteria

• E-coli bacteria

• Non-aerobic bacteria

• Samonela

As per MEPC.159(55), what is the minimum standards of residual effluent?

• >0.5mg/l

• 5mg/l

• <0.5mg/l

• 2mg/l

A type of waste water treatment which aims to remove contaminants from sewage to produce an effluent that is suitable for discharge.

• Sewage treatment Plant

• Oily water separator

• Fresh water generator

• Treatment plant