High recovery cryogenic rectification system

Details High recovery cryogenic rectification system High recovery cryogenic rectification system

1992-03-26

1993-11-23

Bennet, Henry A.

Refrigeration

Processes

Circulating external gas

62 28, 62 29, 62 30, 62 31, 62 41, 62 43, 62 44, F25J 302

Patent

active

052633276

ABSTRACT:
A cryogenic rectification system wherein oxygen-enriched liquid from a higher pressure column is vaporized against condensing nitrogen-containing fluid which is employed as additional reflux in the lower pressure column thus increasing the column L/V ratio and the product recovery.

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