Oil spills and industrial discharge can contaminate water with greasy substances. Although it’s true that oil and water don’t mix, separating and recovering each component can still be challenging. Now, researchers have created sponges made from wood that selectively absorb oil, and then can be squeezed out and used again.
from Engineering and Construction News – ScienceDaily https://www.sciencedaily.com/releases/2018/10/181024112155.htm
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