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New mechanisms discovered to separate air

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Peter Merchant
Jun 04, 2018 03:15
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Unlike the windows of your house, nanoscale holes in graphene (named as "nanowindows") can selectively choose which type of air molecules can pass through.

Scientists from Shinshu University and PSL University, France, theoretically proved concerted motion of the nanowindow-rim to selectively allow molecules to pass, in an energy-efficiently and fast way.

The mechanism of separation by nanowindows is that the atomic vibration of the nanowindow-rim changes the effective nanowidow size.

When the rim of one side is deviated and the other is deviated to the opposite direction, the effective nanowindow size becomes larger than when the rim does not move.

This effect is very predominant for molecules of oxygen, nitrogen, and argon, inducing an efficient separation of oxygen from air.

They have high industrial needs; innovative air separation technology has been highly demanded.

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Peter Merchant
Jun 04, 2018 03:15
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