30 Jul '16, 4pm

Design News - Blog - Graphene Used in Simple, Cheap Process to Make Dirty Water Potable

Design News - Blog - Graphene Used in Simple, Cheap Process to Make Dirty Water Potable

Graphene oxide has become a miracle material of sorts for a wide range of applications, particularly in energy-harvesting applications, additive manufacturing, and to make other materials stronger and more durable. Engineers at Washington University in St. Louis have also found another use for the versatile graphene -- to turn dirty water into water suitable for drinking. The team is using graphene oxide sheets in combination with bacteria-produced cellulose to form a bi-layered biofoam. This biofoam, which is light and inexpensive to make, purifies and desalinates the water for drinking. Researchers, including Srikanth Singamaneni, associate professor of mechanical engineering and materials science at the School of Engineering and Applied Science, aims for the technology to be applied in places where there is a lot of sunlight but a dearth of clean drinking water, such as...

Full article: http://www.designnews.com/author.asp?doc_id=281134&sectio...

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