Researchers from the US and Australia used graphene oxide to design a filter that allows water and other liquids to be filtered nine times faster than the current leading commercial filter, by developing a viscous form of graphene oxide that could be spread very thinly with a blade.

The researchers explain that this technique creates a uniform arrangement in the graphene, and that evenness gives the filter special properties; The filter can capture viruses and bacteria - in fact, anything larger than one nanometer cannot get through the graphene layer. In January 2016, researchers at the University of Manchester demonstrated that graphene can simplify the production of heavy water and help clean nuclear waste by filtering different isotopes of hydrogen.

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