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Drink Water From The Air, Well Very Soon You Can


The air you breathe could soon quench your thirst, as Indian Institute of Technology -Madras has joined hands with Teertha, a private technology firm, to develop a low-cost device that can generate potable water from atmospheric air using solar power. The device, named Nero, can produce four to five litres of potable water a day.

Ravindra Gettu, dean, IC& SR, signed an MoU with Durga Das, CEO, Teertha on Wednesday. M P Maiya, refrigeration and airconditioning laboratory, department of mechanical engineering, IIT-Madras, who will be coordinating the project, S S Sivakumar, Jayakar Rao and Iftekhar Pathan, cofounders of Teerthaa, were also present on the occasion.

“The collaboration is expected to have a major impact on remote areas and people who are isolated from conventional water sources,” said Gettu.

According to researchers, the product will be affordable, have negligible operating costs since it will operate on solar power and also have minimal maintenance cost, as there are no moving parts involved in the equipment. M P Maiya said, “Atmospheric air is not only a major source of fresh water but also universally available. However, it is in the form of vapor, and the challenge is to collect it as liquid.

The proposed solar still based on desiccant technology traps water molecules from the atmospheric air during the night and yields water during the day by utilizing solar energy. It would be a boon to places where even the brackish water is not available.”

Durga Das said, “We are interested in exploring and perfecting different technologies of Atmospheric Moisture Extraction (AME) as a part of our major national mission of availability of potable water for the masses.

With Nero, we will bring to light and enhance the lives of millions of homes in the villages where water is scarce."

"We brought the first Indian built atmospheric water generator in India 14 years ago and hold a patent for the same. Now we will bring the first solution that will generate 4-5 litres of water without any electricity and maintenance free.”
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