desalination

Graphene used to sieve salts from seawater

Researchers at the University of Manchester have come up with a method for controlling the permeation of graphene oxide membranes -- enabling the nanomaterial to act as a sieve to desalinate seawater.

Resolute Marine Wins Startup Open, Converts Wave Energy To Clean Water And Power

<img src="http://tctechcrunch.files.wordpress.com/2010/11/picture-12.png?w=300" alt="" class="shot1" /></img><a href="http://www.resolutemarine.com">Resolute Marine Energy</a>— a Boston startup