Air separation

Details Air separation Air separation

1993-05-21

1994-11-08

Capossela, Ronald C.

Refrigeration

Processes

Circulating external gas

62 38, F25J 302

Patent

active

053615905

ABSTRACT:
A medium purity gaseous oxygen cycle in which reboil for the LP column is provided partly by nitrogen from the HP column and partly by a stream of air.

REFERENCES:
patent: 3065607 (1962-11-01), Schilling et al.
patent: 4704148 (1987-11-01), Kleinberg
patent: 4715873 (1987-12-01), Auvil et al.
patent: 4936099 (1990-06-01), Woodward et al.
patent: 5098456 (1992-03-01), Dray et al.
patent: 5114452 (1992-05-01), Dray

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