why is secondary treatment of water in sewage treatment plant called biological treatment
Answers
Answered by
12
When BOD of sewage or waste water is reduced, the effluent is then passed into Settling tank where the bacteria flocs allowed to sediment. ... Secondary treatment of thesewage is also called Biological treatment because in secondary treatment biologicalfactors/organisms play a major role in the treatment.
follow me
Answered by
2
Because it is done naturally
areanshra12:
I asked who are you
Similar questions
Environmental Sciences,
6 months ago
Math,
6 months ago
Math,
1 year ago
Math,
1 year ago
Physics,
1 year ago