By creating a small electrical field that removes salts from seawater, chemists at The University of Texas at Austin and the University of Marburg in Germany have introduced a new method for the desalination of seawater that consumes less energy and is dramatically simpler than conventional techniques. The new method requires so little energy that it can run on a store-bought battery.
_The process evades the problems confronting current desalination methods by eliminating the need for a membrane and by separating salt from water at a microscale.
The technique, called electrochemically mediated seawater desalination, was described last week._
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