Process and apparatus for the production of gaseous nitrogen and

Details Process and apparatus for the production of gaseous nitrogen and Process and apparatus for the production of gaseous nitrogen and

1991-03-22

1992-10-27

Capossela, Ronald C.

Refrigeration

Processes

Circulating external gas

62 40, F25J 300

Patent

active

051579278

ABSTRACT:
As soon as the apparatus is started, a flow of liquid nitrogen which is at least equal to the nominal flow of gaseous nitrogen is introduced in the head portion of the column, then the flow of liquid nitrogen is adjusted to a small fraction of this nominal flow. Application to the production of a flow of gaseous nitrogen which is variable and moderate.

REFERENCES:
patent: 4668260 (1987-05-01), Yoshino
patent: 4698079 (1987-10-01), Yoshino
patent: 4853015 (1989-08-01), Yoshino

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