2007-10-22 02:44:15 · 5 answers · asked by Anonymous in Science & Mathematics ➔ Engineering
By 'extracting' I mean from a ground source to be put into the atmosphere.
2007-10-22 12:12:46 · update #1
Cool, Compress and thus liquify the air then distill it.
That is the process used in industry.
It needs lots of energy.
2007-10-22 22:44:20 · answer #1 · answered by Anonymous · 0⤊ 0⤋
Liquify air by cooling it. Then nitrogen is heavier than oxygen, so it sinks to the bottom, and can be drawn off, whilst oxygen floats and can be drawn off from the top.
2007-10-22 03:01:31 · answer #2 · answered by Anonymous · 0⤊ 2⤋
Air is liquefied and as it warms the different gases will vent off in order of their boiling points.
2007-10-22 02:54:34 · answer #3 · answered by Anonymous · 1⤊ 1⤋
Breathing.
2007-10-22 02:47:12 · answer #4 · answered by Fuzzybutt 7 · 0⤊ 2⤋
Air separation units.As used by BOC,AIRPRODUCTS,LINDY and other liquid gas companies.
2007-10-22 02:47:14 · answer #5 · answered by Anonymous · 1⤊ 1⤋