The Desolenator turns dirty water into clean drinking water solely by solar energy (photo: Desolenator)

Desalination of water usually is an energy-intensive and expensive process. The Desolenator is aiming to change that: it’s a cheap and easy-to-use solution to produce clean drinking water in regions where water scarcity is a problem. With the sun as only driving force, this piece of engineering is able to produce up to 15litres of clean water a day – enough for cooking and drinking of a small family. Not only salt water but also contaminated and dirty water can be transformed. The contaminated water is first heated up by the sun until it reaches boiling temperature, then electricity generated by the soler panel is used to boil it further and to vaporize the water. The condensed vapor is safe to drink. The Desolelanor has a price tag of 450$ but the team is working hard to get the price down so it becomes affordable for families who lack access to clean water. CEO Janssen: “… [water scarity, red.] will get worse—by 2025, close to 3 billion people will deal with water scarcity daily. We want to give them something that’s an affordable, family-sized device.”

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