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Indian startup Uravu Labs uses technology for producing water from air, similar to the one presented in the Star Wars franchise. Moisture vaporators have been mentioned in many places and helped the inhabitants of arid planets such as Tatooine – why not do it in India?
Swapnila Srivastava personally experienced the shortage of fresh water, which threatens even large cities like Kolkata during dry periods. In 2016, city residents were given two buckets a day from tanks. An enthusiast who has always been interested in water scarcity, in 2012, Srivastava won a student project competition on the future of water in cities, curiosity eventually pushing him to find solutions. In 2019, this idea prompted him, Govinda Balaji and Venkatesh Raju to create a startup called Uravu Labs in Bangalore.
“One of the inspirations was Star Wars, where there is an air-to-water device. I thought, why don’t we give it a try? It was more of a fun project,” says Srivastava.
The system turns air into water using a liquid desiccant that absorbs moisture from the air. Using sunlight or renewable electricity, atmospheric moisture generators heat the desiccant to 65°C, which releases water, which then condenses. The whole process takes about 12 hours. During this time, each installation produces about 2000 liters of drinking water. Uravu Labs currently sells water to 40 HoReCa clients who use it to supply customers.
There are two main ways to obtain atmospheric water. The first is the process of refrigeration and condensation, where moist air is cooled to its dew point to produce liquid water. The second is a desiccant-based system that uses hygroscopic materials to absorb moisture from the air and then release it by heating.
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Atmospheric water production technology has a relatively large market. According to a report by Global Market Insights, it was valued at $3.4 billion in the US alone in 2022. The global market for atmospheric water production is expected to be S$13.5 billion in 2032. Producing water locally has an economic advantage because it is quite heavy and requires significant transportation costs.
Looking ahead, Uravu Labs is exploring advances in materials science that could improve the efficiency of dehumidifiers. The startup aims to develop technology that would reduce the required temperature from 60°C to 40°C. Uravu Labs is also preparing to launch pilot projects to install water generators in data centers in India and Singapore. Data centers produce a lot of heat, which is usually lost. This process will lead to a reduction in fresh water consumption by the data center itself by up to 95%.
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