Tuesday, February 17, 2009


Generally water filter prices range from Rs500 to 2000 in the market;the heart of the filter is the ceramic filter candle;by fixing the candle in the clay pot used in most rural households for storage of water, a low cost water filter can be made as shown in the picture .such filters have been used in flood effected areas of Gujarat and Bihar.
Nano silver ceramic filter candle
The International Advanced Research Centre for Powder Metallurgy and New Materials (ARCI) is an autonomous R&D Centre of Government of India‘s Department of Science and Technology (DST) located in Hyderabad. ARCI has designed a ceramic filter with nano silver coating of millions of fine silver partcles .;these effectively destroy all the pathogens in the water with the silver acting as a catalyst.Field testing done in forty villages in Andhra Pradesh has shown that maximum probable number[MPN] of E.coli ranging from 30 to 1600 has decreased to zero MPN by these candles.These filter candles are being manufactured by SBP Aquatechnology,Hyderabad under the trade name PURITECH for Rs.75.www.sbptechnology.com
For ARCI see-http://www.arci.res.in/


  1. How do you make the hole in the matka

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