NATURAL WATER PURIFICATION GUIDE TEACHER M.CHITRA

1. CONVERTING HARD WATER TO SOFT
WATER
USING NATURAL PROCESS

2. DESIGNED AND DEVELOPED BY STUDENTS
VIII std
CHOTTATHATTI PANCHAYAT UNION
MIDDLE SCHOOL
THIRUPUvANAM bLOCk
SIvAGANGAI DIST.

3. • No good water to drink
• Only hard water is available

4. • TTOO CCOONNvvEERRTT HHAARRDD wwAATTEERR TTOO SSOOffTT wwAATTEERR

5. IMAGINE
• To provide safe drinking waTer To
sTudenTs wiTh available hard waTer
source
• meThods discussed for waTer sofTening
• 1)Reverse osmosis
• 2)Resin filtering
• 3)Ion exchanging method
• 4)Natural filtering

6. benefiTs
• Finally the natural filtering method is opted
since it is
•Very simple to design,
•No power consumption,
•Cost effective ,
•Natural organic products
used.

7. Materials
used
• pebbles

8. • SAND

9. • Goose Berry wood & herBal roots

10. DO
This is our story of CHANGE!
Two container collected

11. • Filled with layers oF peBBles sand
Goose Berry wood and herBal roots

12. • hard water Filled in that tank

13. SHARE
eureka!!!!

15. to
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