Scientists Make Sea Water Drinkable, Produce 6.3 Million Litres A Day


As 13 states in India 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 pilot plant at Tamil Nadu's Kalpakkam, built by scientists of Bhabha Atomic Research Centre use waste steam from a nuclear reactor to purify the seawater. Its capacity is 6.3 million litres every day.

Currently, the fresh water is being used at the Kudankulam nuclear reactor. But this reporter tasted the purified water - it tasted like fresh water, not saline at all.

Several such plants have been installed in Punjab, as well as West Bengal, Rajasthan, said KN Vyas, Director, Bhabha Atomic Research Center, Mumbai.

Besides, BARC has developed several membranes, by which, at a very small cost, groundwater contaminated by uranium or arsenic can be purified and make fit for drinking, reportedly.

The nuclear scientists have also made several household water purifiers that are being marketed all over drought-hit Marathwada. Some these use thin membranes and special filters to separate the contaminants, Indian media reports.

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