Question

List the correct sequence of the main steps involved in sewage treatment and explain them.

Answer 1

Step 1: Screening and Pumping

Step 2: Grit Removal

Step 3: Settling

Step 4: Aeration

Step 6: Filtration

Step 7: Chlorination

Step 8: Distribution

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Answer 2

Answer:

Explanation:

Step 1: Screening and Pumping

Step 2: Grit Removal

Step 3: Settling

Step 4: Aeration

Step 6: Filtration