Question

steps in involved in waste water treatment

Answer 1

Answer:

hope it helps..

Explanation:

Step 1: Screening and Pumping. ...

Step 2: Grit Removal. ...

Step 3: Primary Settling. ...

Step 4: Aeration / Activated Sludge. ...

Step 5: Secondary Settling. ...

Step 6: Filtration. ...

Step 7: Disinfection. ...

Step 8: Oxygen Uptake.