Question

explain the process of the treatment of the water at waste water treatment plant {WWTP} to get the clarified water and aeration

Answer 1

the step of wwtp are as follows

screening tanks :: heavy object removed
grit tanks ::: large stone and heavy object settled down

sediment ation:: sand particles and soil settle down

digester;::: leave water for few days

aretation :: water is treated with anaerobic bacteria

after get purified it is released in lakes of river with several fish

Answer 2

$\textbf{Answer is in Attachment !}$