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