We are making nanoclay based ...
Published by Chandrasekaran J., Founder Director at Watsan Envirotech private Limited
We are making nanoclay based micro filtration candles which have holes in nano size allowing only water to seep through not the pathogens. If the water is well exposed to sunlight and then micro-filtered that gives best cheaper method for removal of pathogens (terafilwater.co.in) and watsan.in