IISER Kolkata’s compound makes drinking water nearly free of fluoride, metal ions

The compound synthesised by IISER Kolkata researchers can reduce copper, mercury, cadmium and iron content in drinking water to below 2 ppb, which is far below the WHO limit for these metals. After 10 minutes of treatment, the fluoride concentration dropped from 10 ppm to 10 ppb. The compound can also absorb a wide variety of oils … Continue reading IISER Kolkata’s compound makes drinking water nearly free of fluoride, metal ions

IIT Hyderabad uses activated jamun powder to remove fluoride from drinking water

After two hours of contact time, the activated jamun powder was able to reduce the fluoride content of Nalgonda groundwater from 3.2 mg per litre to less than 1.5 mg per litre, which is the WHO limit. Now, while removing excess fluoride from drinking water the usual problems such as high operational costs and getting … Continue reading IIT Hyderabad uses activated jamun powder to remove fluoride from drinking water