Process and arrangement for the distillation of air in the produ

Details Process and arrangement for the distillation of air in the produ Process and arrangement for the distillation of air in the produ

1991-12-03

1993-05-11

Capossela, Ronald C.

Refrigeration

Processes

Circulating external gas

62 37, 62 40, F25J 300

Patent

active

052090701

ABSTRACT:
This process is of the alternating type. When the demand of oxygen is lower than the mean value, additional liquid oxygen is produced by introducing compressed oxygen, in gaseous form, in the heat exchange line of the arrangement, the flow of liquid nitrogen injected into the double column being reduced in a corresponding manner. It is thus possible to increase the average yield of the arrangement when extracting argon.

REFERENCES:
patent: 4303428 (1981-12-01), Vandenbussche
patent: 4668260 (1987-05-01), Yoshino
patent: 4698079 (1987-10-01), Yoshino
patent: 4731102 (1988-03-01), Yoshino
patent: 4732595 (1988-03-01), Yoshino
patent: 5084081 (1992-01-01), Rohde
patent: 5144428 (1992-08-01), Frenzel et al.
"Luftzerlegungsanlage mit Wechselspeicherung fur variable Sauerstofflieferung," Linde Berichte Aus Technik Und Wissenschaft, vol. 54 (1984), pp. 18-20.

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