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June 29 2013

Zapping salt out of seawater


Chemists are hopeful their new energy-efficient method to desalinate water can be scaled up for personal or even municipal uses

The method, which creates a small electrical field that removes salts from seawater, consumes less energy and is dramatically simpler than conventional techniques.

The technique, described in the journal Angewandte Chemie, requires so little energy that it can run on a store-bought battery.

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