Process to recover argon from oxygen-only air separation plant

Details Process to recover argon from oxygen-only air separation plant Process to recover argon from oxygen-only air separation plant

1981-12-08

1984-02-28

Sever, Frank

Refrigeration

Processes

Circulating external gas

62 28, 62 29, 62 33, 62 34, 62 39, 62 42, F25J 302

Patent

active

044339909

ABSTRACT:
A process and apparatus to economically produce argon in conjunction with an air separation plant designed originally to produce only oxygen wherein an auxiliary argon column is fed with a small stream from the main oxygen plant and is driven by an independent heat pump circuit.

REFERENCES:
patent: 1638005 (1927-08-01), Le Rouge
patent: 1880981 (1930-07-01), Pollitzer et al.
patent: 2545462 (1948-03-01), Haynes
patent: 2547177 (1948-11-01), Simpson
patent: 2700282 (1949-02-01), Roberts
patent: 2728205 (1950-06-01), Becker et al.
patent: 3729943 (1973-05-01), Petit
patent: 4057407 (1977-11-01), Bigi
patent: 4137056 (1979-01-01), Golovko

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