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Scientists have developed a solar-powered system to convert salt water into fresh drinking water that is much cheaper than traditional methods and can be deployed in rural locations around the globe, say researchers from King’s College London, MIT and the Helmholtz Institute for Renewable Energy Systems. The team converted enough fresh drinking water for 3,000 people a day – with the process continuing regardless of variable solar power caused by cloud coverage and rain. “By removing the need for a grid system entirely and cutting reliance on battery tech by 92%, our system can provide reliable access to safe drinking water, entirely emission free onsite and at a discount of roughly 22% to the people who need it compared to traditional methods,” says Dr Wei He of KCL’s Department of Engineering.
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