The treatment which employs mechanical and hydraulic separation principles is referred as secondary treatment.

Related MCQs

• In secondary treatment of sewage, the operation which takes place is
• The secondary treatment of sewage is carried out by the use of
• The artesian spring has too much hydraulic gradient and water flows out automatically.
• In preliminary treatment of sewage, the operation which takes place, is
• The activated sludge process of sewage treatment
• In high rate activated sludge treatment, bacterias are removed from
• Sludge treatment is mainly done in order to
• The treatment of water with only chlorine is known as
• The bio-chemical treatment of sewage effluent is a process of
• The natural process in which the oxygen of water of streams is consumed by sewage and at the same time, it is replenished (filled again) by the atmosphere, is known as