A small part of activated sludge pumped back to aeration tank to serve as the inoculum.can any one plz explain these statement

Hai Nihala,
The Mentioned para in the material is about consumption of Sewage waste things and its ferementation by bacteria.
During this process the well grown bacteria is retained for its further usage in the next treatent process.
In this way the well grown bacteria and microbes are retained and utilised for the next fermentation processess.

Approved