Question

what are the stages of wastewater treatment? Tell the answer in very short. please ​

Answer 1

Explanation:

Sewage treatment generally involves three stages, called primary, secondary and tertiary treatment. Primary treatment consists of temporarily holding the sewage in a quiescent basin where heavy solids can settle to the bottom while oil, grease and lighter solids float to the surface.

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Answer 2

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

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