The activated sludge process of sewage treatment

Related MCQs

• In high rate activated sludge treatment, bacterias are removed from
• The activated sludge
• When the sewage is to be distributed over a level area surrounded by dykes (i.e. trenches), the mothod of sewage used is called
• Sludge treatment is mainly done in order to
• The bio-chemical treatment of sewage effluent is a process of
• In secondary treatment of sewage, the operation which takes place is
• In preliminary treatment of sewage, the operation which takes place, is
• The secondary treatment of sewage is carried out by the use of
• The treatment which employs mechanical and hydraulic separation principles is referred as secondary treatment.
• 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