Cryogenic rectification system for producing high purity oxygen

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

1991-10-10

1993-08-17

Capossela, Ronald C.

Refrigeration

Processes

Circulating external gas

62 24, 62 38, F25J 304

Patent

active

052358160

ABSTRACT:
A cryogenic rectification system wherein refrigeration within crude argon is recovered by heat exchange with feed and is carried with the feed into the main column system to improve the recovery of high purity oxygen product.

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