Thursday, April 06, 2017

Graphene Sieve Could Make Seawater Drinkable

Artwork: Graphene-based membranes hold huge promise in desalination (Credit: UNI Manchester) Click to Enlarge.
Researchers in the United Kingdom have developed a graphene-based sieve that can filter salt out of seawater, a development that could provide drinking water to millions of people around the globe.

The applications could be a game-changer in countries where access to safe, clean, drinkable water is severely limited.

Graphene -- an ultra-thin sheet of carbon atoms organized in a hexagonal lattice -- was first identified at the University of Manchester in 2002 and has since been hailed as a "wonder material," with scientists racing to develop inexpensive graphene-based barriers for desalination on an industrial scale.

Now, the team at Manchester has used a compound of graphene, known as graphene oxide, to create a rigid sieve that could filter out salt using less energy.

Read more at Graphene Sieve Could Make Seawater Drinkable

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