Hyderabad based startup is working to convert atmospheric moisture into usable water. The technology is not new , water is generated by cooling the air and condensing the water vapour. The water is then used for irrigation or industrial purposes. The startup is called Uravu which translates into freshwater springs.
Swapnil Shrivastav, co-founder of Uravu said,
The process of generation is quite cumbersome, you need high humidity and energy consumption is very high. There are a lot of moving parts. We wanted to have a simplified modular device.
The startup works on the idea that atmosphere has abundance of water resource but this resource is not being used appropriately. The water vapour is also not limited like the coast and rainfall.
Uravu uses a special hygroscopic water absorbing material that sucks vapour from air and uses solar collector that rapidly heats the water vapour and once it cools it is converted into water. This is a passive device that can work if kept independently on rooftop and you can get water when you collect it. The process begins at night and water is generated by evening next day. The water can then be piped to homes for use. Its prototype produces 50 Litres of water a day which can be increased to 2,000 Litres.
On current efficiency the device produces one litre at Re 1. The 20 litre water cans used at house generally cost from 40-80 rupees. When brought in market as a commercialized product it can prove to be a ray of hope to the places having water crises.