Water. desalination + reuse

water.d+r June 2017

Water. Desalination + reuse

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24 Far Site June 2017 Water. desalination + reuse SCIENTISTS WORLDWIDE ARE RACING TO COMMERCIALISE GRAPHENE FOR DESALINATION The latest publication from the team at the National Graphene Institute at Manchester University, UK (see box, right), in April 2017, adds to a growing body of work investigating graphene for desalination. Also in April 2017, researchers at Massachusetts Institute of Technology (MIT) published a paper in Nano Letters. The team tested the amount of pressure that graphene can withstand when its supported by a thin substrate of polycarbonate with tiny pores in it. They found that the smaller the substrate's pores, the more resilient the graphene. "We're showing that graphene has the potential to push the boundaries of high pressure membrane separations. If they can be developed to do desalination at high pressure, then it opens up a lot of interesting possibility for energy-e‡ cient desalination at high salinities," said Rohit Karnik, associate professor at MIT's Department of Mechanical Engineering. Back in the UK, G20 Water Technologies has moved into University of Leeds to begin water- industry recognised tests on its graphene coating for membranes (see page 27). FAR SITE LOOK One of the latest break- throughs was made at the National Graphene Institute, Manchester, UK. The new building opened in 2015. It was designed by architects Jestico + Whiles. Photo credit: Daniel Shearing

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