Apparatus and method for producing nitrogen

Details Apparatus and method for producing nitrogen Apparatus and method for producing nitrogen

1998-01-27

1999-08-10

Capossela, Ronald

Refrigeration

Cryogenic treatment of gas or gas mixture

Separation of gas mixture

62645, F25J 300

Patent

active

059341068

ABSTRACT:
An apparatus and method for separating nitrogen within a single column nitrogen generator in which refrigeration is added by waste expansion. Part of the incoming air stream after having been partially cooled is turbo-expanded to increase the refrigeration supplied, thereby to allow the removal of the liquid nitrogen product.

REFERENCES:
patent: 4617037 (1986-10-01), Okada et al.
patent: 5396772 (1995-03-01), McKeigue et al.
patent: 5419136 (1995-05-01), McKeigue
patent: 5582034 (1996-12-01), Naumovitz

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