jeevitha_7_science

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Across
  1. 5. Used water released by houses
  2. 8. Cleaning of water is the process of removing what from water
  3. 10. Waste discharged from human body
  4. 11. Plant that should be planted near sewage ponds to absorb wastewater
  5. 13. What is dried sludge used for
  6. 14. A word related to hygiene
  7. 15. Product produced during waste water treatment that can be used as fuel or used to produce electricity
Down
  1. 1. Chemical used to disinfect treated water before releasing into the distribution system
  2. 2. Microbes that cause dysentery
  3. 3. Micro-organisms which causes cholera
  4. 4. Which water has very low level of organic material and suspended matter
  5. 6. Process of allowing air bubble through wastewater
  6. 7. Waste water released by homes, industries, hospital, offices and other users
  7. 9. Network of small and big pipe that carries waste sewage from point of being produces to disposal
  8. 12. Solids that settles at bottom during waste water treatment