Refrigeration – Processes – Circulating external gas
Patent
1994-10-04
1995-11-07
Kilner, Christopher B.
Refrigeration
Processes
Circulating external gas
62 25, 62 31, F25J 302
Patent
active
054638712
ABSTRACT:
A cryogenic rectification system employing a double column and an auxiliary side column in which product lower purity oxygen is produced wherein the side column is driven by condensing compressed feed air enabling the system to operate with lower head pressure and thus lower operating costs.
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Kilner Christopher B.
Ktorides Stanley
Praxair Technology Inc.
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