Cryogenic rectification system with improved oxygen recovery

Details Cryogenic rectification system with improved oxygen recovery Cryogenic rectification system with improved oxygen recovery

1991-10-10

1992-11-17

Capossela, Ronald C.

Refrigeration

Processes

Circulating external gas

62 28, 62 39, F25J 302

Patent

active

051632969

ABSTRACT:
A cryogenic rectification system wherein nitrogen top vapor of a higher pressure column reboils the column to provide additional vapor upflow and liquid downflow reflux for increased column drive and improved oxygen recovery.

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