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Salty water power

Researcher proposes new, cheaper way to get energy from salt water and fresh water

10:28am, July 24, 2009

A new way to get electricity out of water could prove to be worth its salt. Mixing salt water and fresh water in a container with carbon electrodes can produce clean, renewable energy, reports Doriano Brogioli of the University of Milano–Bicocca in Italy.

The reaction’s main by-product is brackish water that could be dumped back into the sea, Brogioli says in a paper to be published online in Physical Review Letters.

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