A super-thin slice of wood can be used to turn saltwater drinkable

A close-up of the modified wood which filters salty water Read more: https://www.newscientist.com/article/2212346-a-super-thin-slice-of-wood-can-be-used-to-turn-saltwater-drinkable/#ixzz5wOrQiuLs

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Filtering the salt from seawater can take a lot of energy or specialised engineering. A thin membrane made of porous wood may be able to fix that.

In membrane distillation, salty water is pumped through a film, usually made of some sort of polymer with very narrow pores that filter out the salt and allow only water molecules through. Jason Ren at Princeton University in New Jersey and his colleagues developed a new kind of membrane made of natural wood instead of plastic.


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Source: New Scientist

 

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