Question

Economic production of oxigenem in liquide form?

Answer 1

Explanation:

Cryogenic Separation Cryogenic air separation units (ASU) is an old process used to produce high purity oxygen or nitrogen at high volumes. The process was first developed by Carl Von Linde in 1895 and it remains pretty much the same today. Cryogenics is also the chief method by which liquid oxygen can be produced.

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