Process and installation for the production of oxygen gas under

Refrigeration – Processes – Circulating external gas

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62 41, F25J 300

Patent

active

053375718

ABSTRACT:
In this nitrogen-cycle installation, the cycle compressor provides a supply of high-pressure nitrogen which serves to heat oxygen supplied in liquid form from the reservoir of a low-pressure column and raised in pressure by a pump to the desired high production pressure. Oxygen gas may be produced at a pressure exceeding about 50 bars.

REFERENCES:
patent: 3222878 (1965-12-01), Becker
patent: 3401531 (1968-09-01), Kessler et al.
patent: 4372764 (1983-02-01), Theobald
patent: 4375367 (1983-03-01), Prentice
patent: 4962646 (1990-10-01), Rathbone
patent: 5084081 (1992-01-01), Rohde
patent: 5152149 (1992-10-01), Mostello et al.

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