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At this time of water crisis in Chennai, IIT Madras students have invented an amazing device
Posted on: 28/Jun/2019 9:59:45 AM
Chennai city has been facing one of the worst water crisis is well known. People have been searching to find suitable alternatives to produce water now. Amidst the present water crisis in Chennai city, the invention by the IIT Madras students have given some hope for the residents of Chennai. An optimised dessicant solar cell device called ‘Nero’ has been invented by the students of IITM and this has caught the attention of many now.
Teertha is a company based on sustainable technology and IITM students have joined hands with this Teertha and have invented this solar cell device. By this device, 6 to 7 litres of potable water could be got per hour and 180 litres in a day. At the Trichy railway station, this Nero has been installed at a cost of Rs 2 lakhs now. It must be noted that this atmospheric water generator is a new technology where water from the surrounding humid air gets extracted.
Based on the principle of condensation (converting vapour to liquid), the solar device uses dessicant to trap water molecules present in the air. In the night time, Nero operates by trapping water molecules from the air and at the day time Nero yields water by using solar energy. This device works totally on the solar-thermal energy and do not involve any moving parts. The main advantages of this solar cell device are its low maintenance and its operational costs.
Information gathered is a MoU was signed between Professor Ravindra Gettu, dean (industrial consultancy and sponsored research) IIT M and Durga Das who is the CEO of Teertha. Others who made their presence felt were Dr. Maya, Refrigeration and Air-conditioning Lab, department of mechanical engineering, IITM and coordinator of the project plus Dr. SS. Sivakumar, Mr. Jayekar Rao and Mr. Iftekhar Pathan who are the co-founders of Teertha.
As a part of the national mission of availability of potable water for the masses, Ms. Durga Das explained about how her company was interested in exploring and perfecting different technologies of AME or Atmospheric Moisture Extraction.
She revealed how at present AMEs are being produced based on vapour compression refrigeration technology in many output configurations. She hinted that by means of ‘Nero’ lives of millions of homes in the villages with water scarcity would be enhanced.
Ms. Durga Das mentioned that her company was responsible for the first Indian built atmospheric water generator 14 years back. Now, first solution that would produce 4 to 5 litres of water without electricity would be superb. Interesting information is another team belonging to IITM is working on similar project to tap water from the atmospheric air and in a few weeks of time the model would be tested at the Palavakkam Beach.
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