Solar-powered technology converts saltwater into drinking water emission-free

18 June 2024

By maximising available solar power for water production, scientists produced drinking water cheaper than ever before in lower-income countries.

Scientists have developed a new solar-powered system to convert saltwater into fresh drinking water which they say could help reduce dangerous waterborne diseases like cholera.

In a paper published today in Nature Water, researchers show that the process is more than 20% cheaper than traditional methods and can be deployed in rural locations around the globe. Following testing in rural communities, they found new technology could signal a step change in providing clean water in developing countries and beyond.

Building on existing processes that convert saline groundwater to freshwater, the researchers from King’s College London, in collaboration with MIT and the Helmholtz Institute for Renewable Energy Systems, created a new system that produced consistent levels of water using solar power.

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