Question: what are the steps of wastewater treatment?
Answer: 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.