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Solar dome, jacket & water purifier, herald solar revolution: Dr Harsh Vardhan
By TOG News Service
Mar 14, 2018
TOG News Service, NEW DELHI, MAR 14, 2018: BRIEFING the press regarding recent initiatives and achievements in science and technology, the Union Minister for Science & Technology, Dr Harsh Vardhan, today stated that a 'Solar revolution' would soon occur in the nation, when millions of people would benefit through technology powered by solar energy. Moreover the icing on the cake was that such technology is indigeneously developed. The technologies being highlighted are the 'Suryajyoti', which is a micro-solar dome, a solar-powered water purifier, and a jacket. He also stated that the Govt's energy plan for 2022 involves generating 175 GW of renewable power, out of which solar energy will account for 100 GW. In this regard, Dr Harsh Vardhan stated that about 20% of the target had been achieved.

The Minister emphasized on as to how such innovations sought to improve the quality of life and reduce expenditure of the people. Referring to Suryajyoti, he mentioned that from 30 users in 2016, in the present day, more than 5,000 households were benefiting from Suryajyoti to light up their homes. Costing Rs 1100/- per bulb at present, he stated that the target was to cover 100,000 homes by the year 2019. He then displayed the solar-powered jacket, and tried one on himself, before highlighting its features. The jacket costing Rs 4000/-, emits a focused light, which lights up the identification tag. The jacket also boasts of a facility to recharge cellphones and a torch with beam facilities, along with optional add-ons such as GPS and a fan. Thereby, Dr Harsh Vardhan stated that such jacket would particularly benefit defence personnel and forest officials, both of whom operated in far-flung areas.

Further, keeping in mind the clean energy needs of the country, the Minister also stated that five solar water purifiers had been produced, with each machine purifying about 400 litres of water per day.  It would be ideally suitable for village schools, primary health centres and tourist lodges, where conventional electricity is either very erratic or not available. The solar water purifier removes iron and other sediments and kills all bacteria through ultra-filtration and UV. The operational power of the system comes from sun. Moreover, two days storage capacity is inbuilt in the purifier. Such technology would be a boon, considering the unavailability of safe potable drinking water and the use of contaminated water lead to cause waterborne diseases affecting millions of citizens. Approximately 4.7 million hours are lost each year due to illnesses caused by consuming contaminated water. Solar water purifier is a pro-people green technology device developed first time in the country with the support of DST.

The highlights of this solar-powered water purifier are that it saves solar energy as treated water. It also does not require any batteries or inverter to operate. Operational with low maintenance, it causes no pollution. The usual contamination of water in rural areas is due to the iron content, bacteria and suspended particles.  There are two models available, having applications for the location having less, or more Iron. It is also capable of storing about 200 lts for cloudy days or night time.