As 13 states struggle with drought, scientists in a corner of India have devised a way to make potable water - 6.3 million litres of it every day - from sea water. They have also developed certain filteration methods that ensure groundwater containing arsenic and uranium are safe to drink.
The technical information document on Desalination & Water Purification Technologies published by the scientists at the Bhabha Atomic Research Centre with the purpose of creating awareness of and appreciation for desalination and water purification technologies, among the entrepreneurs, NGOs and other interested groups stresses the need to make safe drinking water available to the needy population in a reliable, sustainable and affordable manner using the indigenous technologies and supplementing with market technologies in an accelerated manner on a significant scale.
Early humans thought that the taste of the water determined its purity. The Sus’ruta Samhita, Sanskrit writings about medical c...