Air distillation apparatus and air distillation method

Details Air distillation apparatus and air distillation method Air distillation apparatus and air distillation method

1998-08-20

2000-12-05

Capossela, Ronald

Refrigeration

Cryogenic treatment of gas or gas mixture

Separation of gas mixture

62905, 62913, F25J 100

Patent

active

061550787

ABSTRACT:
In an air distillation apparatus having a main heat exchanger 7 for cooling down feed air, a rectification column 9S comprising a rectifying portion 13 for separating the thus-cooled feed air to an oxygen-enriched component and a nitrogen component and a condenser 35S for partially condensing the latter, and a liquid nitrogen storage tank 31S for supplying liquid nitrogen by way of a supply valve V3, and

REFERENCES:
patent: 2864757 (1958-12-01), Balcar et al.
patent: 4526595 (1985-07-01), McNeil
patent: 4617040 (1986-10-01), Yoshino
patent: 4732595 (1988-03-01), Yoshino
patent: 5355680 (1994-10-01), Darredeau et al.
patent: 5505052 (1996-04-01), Ekins et al.

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