Graphene has been used to turn seawater into clean drinking water. The graphene sieve was shown to filter common salts from the water, and scientist say the technology could be scaled up – potentially providing hope to the millions of people around the globe who have limited access to clean water.
Graphene – often dubbed a wonder material – was first isolated by scientists in 2004. It is just one atom thick, extremely light and around 200 times stronger than steel. It is highly flexible and an excellent conductor of heat and electricity, making it of huge interest to scientists in real-world applications.
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Scientists at the University of Manchester have now shown how graphene-oxide membranes can be used as an efficient filtration system. Publishing their findings in the journal Nature Nanotechnology, the researchers were building on previous work showing …