Cryogenic rectification system for producing lower purity oxygen

Details Cryogenic rectification system for producing lower purity oxygen Cryogenic rectification system for producing lower purity oxygen

1993-07-22

1994-08-16

Capossela, Ronald C.

Refrigeration

Processes

Circulating external gas

62 38, 62 41, F25J 302

Patent

active

053375700

ABSTRACT:
A cryogenic rectification system for producing lower purity oxygen wherein a higher pressure feed air stream is used to reboil the bottoms of a lower pressure column and a lower pressure feed air stream is fed directly into a higher pressure column.

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