Question

how to remove oxygen from air​

Answer 1

Explanation:

Air is compressed to high pressure then expanded thru what is know as a turbo expander. Through adiabatic expansion the air cools to liquid and is then sent to a distillation tower where the constituent parts, nitrogen, oxygen and argon are separated by boiling points.

Answer 2

Air is compressed to high pressure then expanded through turbo expander. Through adiabatic expansion a distillation tower where the constituent parts nitrogen, oxygen,argon are separated by boiling points.

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