Graphene used to sieve salts from seawater Ifeadi C. 04:13 TechCrunch, Zero Tech Blog 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. Read More via Zero Tech Blog Share this Share on FacebookTweet on TwitterPlus on Google+