Cryogenic air separation system for producing moderate purity ox

Refrigeration – Cryogenic treatment of gas or gas mixture – Separation of gas mixture

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62650, F25J 304

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06079223&

ABSTRACT:
A cryogenic air separation system wherein feed air is initially processed to produce a vapor and a liquid, the vapor is then processed in the rectifying section of a reflux condenser to produce moderate purity nitrogen, and the liquid is processed in the stripping section of the reflux condenser to produce moderate purity oxygen.

REFERENCES:
patent: 2861432 (1958-11-01), Haselden
patent: 4308043 (1981-12-01), Yearout
patent: 5144809 (1992-09-01), Chevalier et al.
patent: 5410885 (1995-05-01), Smolarek et al.
patent: 5592832 (1997-01-01), Herron et al.
patent: 5694790 (1997-12-01), Lavin

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