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Scientists at EPFL have developed a highly efficient water purification filter that uses only solar power. The prototype can supply clean drinking water even at remote places to small populations and can be easily scaled-up.

“In a close collaboration between chemists, physicists, and biologists, we have developed a very efficient water purification device, which does not need any energy source but sunlight,” says Forró. “Our prototype can supply clean drinking water even at remote places to small populations and could be easily scaled-up. It is a great achievement and an important “side-product” of this project is that it has attracted a large number of talented and motivated students who care for environmental issues, for sustainability”.

In their paper, published in the Nature partner journal npjClean Water, the researchers showcase a prototype of the filter and make suggestions for further improvements. “I am convinced that it will create a strong follow-up in versatile scientific communities and hopefully funding agencies,” says Endre Horváth, the lead scientist on the project.

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Source: Science Daily

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