Process and installation for the production of at least one gas

Details Process and installation for the production of at least one gas Process and installation for the production of at least one gas

1994-08-29

1995-11-07

Capossela, Ronald C.

Refrigeration

Processes

Circulating external gas

62 38, 62 39, 62 41, F25J 302

Patent

active

054638704

ABSTRACT:
All the entering air is brought to a high pressure and then cooled to an intermediate temperature. At this temperature, a portion of the air is work expanded (in 4) to the medium pressure, and the rest is liquified. The low pressure column operates under a pressure of the order of 1.7 to 5 bars absolute, and its residual gas is expanded in a second turbine (9) after having been reheated to ambient temperature, then further heated (in 7) by heat exchange with the compressed air. Use for the production of impure oxygen under pressure and simultaneously at least one liquid product.

REFERENCES:
patent: 4303428 (1981-12-01), Vandenbussche
patent: 5157926 (1992-10-01), Guilleminot
patent: 5222365 (1993-06-01), Nenov

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