CBSE Class 7 Science Wastewater Treatment
- need chat on water supply system from municipality to house
- How can each one of us help in making the sewage treatment in our city more efficient?
- In what ways is the sludge obtained from a WWTP used?
- Outline the main steps used in sewage treatment?
- In a cities,there are separate pipes for disposing sewage and storm water.Why is this necessary?
- What processes does sewage treatment involve?
- why is it necessary to treat sewage before disposing it off in a water body?
- What happens to water after it is used from taps, showers etc?
- Why is the speed of incoming waste water decreased in a grit and sand removal tank?
- Name two disinfectants used to treat water before releasing it into the distribution system.
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