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'Oleo Sponge' Soaks Up Oil Plumes from Bodies of Water
Added May 18, 2017 | Rate View top rated
During the Deepwater Horizon oil spill seven years ago, millions of gallons of oil were not collecting on the surface where it could be skimmed - some of it formed a plume and drifted through the ocean under the surface. Now, Argonne National Laboratory scientists have invented a reusable foam, called ‘Oleo Sponge,’ that easily absorbs oil from water and can pull dispersed oil from the entire water column - not just the surface. The scientists grew an extremely thin layer of metal oxide ‘primer’ near the foam’s interior surfaces. This serves as a glue for attaching oil-loving molecules, which are deposited in a second step - they hold onto the metal oxide layer with one end and grab oil molecules with the other.
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