CBSE Class 7 - Wastewater Treatment Videos
Water Pollution
Waste water treatment plant- Steps and processees, Better house keeping processes, Sanitation and disease, Alternative arrangement of sewage disposal
- describe the different sources of wastewater
- what is sewage? Explain why it is harmful to discharge untreated sewage into rivers or seas.
- few alternative arrangements for sewage dispersal
- 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?
