Water purification driven by the sun (IMAGE)

Princeton University

Water purification driven by the sun

Caption

In a study conducted at Princeton University, researchers placed the gel in lake water where it absorbed pure water, leaving contaminants behind. The researchers then placed the gel in the sun, where solar energy heated up the gel, causing the discharge of the pure water into the container.

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Image credit: Xiaohui Xu , Princeton University

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Image credit: Xiaohui Xu, Princeton University

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