Question

name the important steps involved in sewage treatment .....​

Answer 1

Explanation:

1. the sewage must be churned with machine. the churned sewage should be stored in tanks and then we can see that the heavy particles will go down and the water above is relatively pure.

2. alum can be shown in the main sewage system. it will also help to clean it.

Answer 2

Answer:

it include 6 types

Explanation:

1.pre screening

2. aeration

3. sedimentation process

4. sludge removal

5. disinfection

6. water recycling