06 April 2017 A team led by Dr Rahul Raveendran-Nair from the University of Manchester in the United Kingdom has invented a graphene-oxide membrane that can filter salts from a solution like seawater. In the past, membranes could only sieve out large particles from water, but fails at stopping the flow of dissolved ionic compounds. … Continue reading Invention of a graphene-oxide sieve that can filter dissolved ionic compounds from water