Cryogenic air separation method for the production of oxygen and

Details Cryogenic air separation method for the production of oxygen and Cryogenic air separation method for the production of oxygen and

1990-04-03

1991-12-24

Bennet, Henry A.

Refrigeration

Processes

Circulating external gas

62 18, 62 24, 62 25, 62 26, 62 44, F25J 300, F25J 302

Patent

active

050748980

ABSTRACT:
A cryogenic air separation method for the production of oxygen and medium pressure nitrogen comprising a primary higher pressure column and an auxiliary smaller lower pressure stripping column wherein primary column bottom liquid is employed as stripping column downflow liquid and primary column top vapor condenses against stripping column bottom liquid to generate stripping vapor.

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