1. In India around 70% of total population lives in Rural area

2. NEED FOR INNOVATION
According to the survey conducted in Karnataka in ,there were water quality affected habitations in the State Fl Fe Ni
TDS
MWFL
MOFL
Total
2251
5019
4008
1938
3587
4205
21008

3. PROPOSAL
3072 Habitations affected with Iron contamination in the selected 12 districts to install Terrafil Filters to provide 10 LPCD of potable drinking water.
The proposal to provide 8823 no. of Community Filters at an estimated cost of Rs crores was approved by Government of Karnataka vide G.O. No.RDP 43 RWS (2) Dt. 15/7/2009

4. COMPOSITION OF TERRAFIL

5. Terrafil Disks &Cindering

6. SCIENCE BEHIND

7. DESIGN

8. COMMUNITY BASED TERRAFIL FILTERS:
The Community Terrafil Filters being adopted in Karnataka consists of the following components:
Upper Chamber to hold raw water, with raw water connection from OHT / Pumping main.
Lower Chamber to collect filtered pure water, with taps (2/4 nos.)
The middle partition to hold Terrafil Filter discs developed by I.M.M.T., Bhuvaneshwar
Masonry platform to erect the Community Filters

9. FINAL MODEL

10. COST & BENEFITS Total capital cost for Terrafil filter is Rs.55000/-
99% of turbidity, % of micro-organisms, 75-90% of soluble iron, colour etc. are effectively removed
Villagers are drinking Iron free pure water .
Expressing relief of joint pains and digestion disorder.
Can be constructed of local materials.
Income generation.

11. LIMITATIONS Filtration rate is little low Fragile
Requires frequent cleaning

12. REFERENCES
karnataka image credits: Google