Across
- 5. In self purification, Hydrolysis of organic matter
- 8. Most commonly used disinfectant
- 9. Also called as HRT
- 11. The walls of TF tank are made _________
- 14. Discarded material is called as
- 15. Attached growth process occurs in________
- 16. Solids removed in sedimentation tank
- 18. The outer portion of Bilogogical film (TF)
- 19. Colour of domestic sewer
- 21. Waste water from household sink, shower and bath
- 22. The avg time for which SS remain under aeration
Down
- 1. It means sewage Disposal on land
- 2. Keeping solid waste under soil cover is called as ____
- 3. Polluted stream can be divided into _____ zones
- 4. Water coming from landfill
- 6. BOD indirectly measures ________
- 7. 2nd step of Sludge Digestion Process
- 10. Gas produced in Landfill
- 12. It is removed by using tertiary treatment
- 13. It is BOD loading per unit volume of filter
- 16. It is used to remove Oil and grease
- 17. Automatic purification of polluter river stream
- 20. Sludge from PST