Microbes in sewage treatment plants

What is the role of microbes in sewage treatment plant?

microbes in sewage treatment plant | | River action plan

Describe the application of microbes in sewage treatment.

Describe briefly the role of microbes in sewage treatment.

Write a note on the role of microbes in sewage treatment.

Assertion: Sewage contains large amounts of organic matter and microbes. Many of which are pathogenic. Reason: Before disposal, sewage is treated in sewage treatment plants (STP_(s))

A sewage treatment plant involves the following steps in its working : Aerotion tank,Grit and sand removal tank, Second sedimentation tank, Bar screen, First sedimentation tank Arrange all the above steps in the correct order in which they occur in the sewage treatment plant.