Refrigeration – Cryogenic treatment of gas or gas mixture – Separation of gas mixture
Patent
1996-03-19
1997-03-18
Capossela, Ronald C.
Refrigeration
Cryogenic treatment of gas or gas mixture
Separation of gas mixture
62654, F25B 300
Patent
active
056112190
ABSTRACT:
An air boiling dual column cryogenic rectification system for producing lower purity oxygen wherein a portion of the feed air is used to reboil the lower pressure column and then is partially condensed in a vertically oriented stage within the lower pressure column before undergoing rectification.
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Capossela Ronald C.
Ktorides Stanley
Praxair Technology Inc.
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