Cryogenic rectification method for producing nitrogen gas and li

Details Cryogenic rectification method for producing nitrogen gas and li Cryogenic rectification method for producing nitrogen gas and li

1999-11-03

2000-10-03

Doerrler, William

Refrigeration

Cryogenic treatment of gas or gas mixture

Separation of gas mixture

F25B 2500

Patent

active

061256560

ABSTRACT:
A cryogenic rectification method wherein both nitrogen gas and liquid are efficiently produced from air employing one or two columns wherein refrigeration to drive the cryogenic separation is provided by a, preferably closed loop, multicomponent refrigerant fluid refrigeration circuit.

REFERENCES:
patent: 4966002 (1990-10-01), Parker et al.
patent: 5309721 (1994-05-01), Rathbone
patent: 5385024 (1995-01-01), Roberts et al.
patent: 5664438 (1997-09-01), Bonaquist et al.

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