Oxygen production method related to a nitrogen generator unit

Details Oxygen production method related to a nitrogen generator unit Oxygen production method related to a nitrogen generator unit

1996-11-22

1999-07-13

Kilner, Christopher B.

Refrigeration

Cryogenic treatment of gas or gas mixture

Separation of gas mixture

62900, F25J 304

Patent

active

059211075

ABSTRACT:
A method for producing a small amount of oxygen, related to a nitrogen generator unit, is provided. In a nitrogen rectification column which cools down and liquefies feed air after moisture and carbon dioxide contained therein are removed, thereby producing nitrogen, oxygen-rich liquid air is used as a cold source for a nitrogen condenser and the thus-obtained oxygen-rich air is then used as a heating source for a reboiler in an oxygen rectification column.

REFERENCES:
patent: 3348385 (1967-10-01), Kamlani et al.
patent: 4560397 (1985-12-01), Cheung
patent: 4783210 (1988-11-01), Ayres et al.

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