Refrigeration – Processes – Circulating external gas
Patent
1993-11-17
1994-07-19
Bennett, Henry A.
Refrigeration
Processes
Circulating external gas
62 25, 62 38, 62 41, F25J 302
Patent
active
053297768
ABSTRACT:
In this process for the production of gaseous oxygen under pressure by air distillation in a double column, pumping liquid oxygen withdrawn at the bottom of the low pressure column, and vaporization of compressed liquid oxygen by heat exchange with air at high pressure, all the air to be distilled is compressed at the high air pressure, followed by expanding, at the pressure of the mean pressure column, the excess fraction of this air in a turbine which is decelerated by means of an air booster, and at least one liquid product is withdrawn from the apparatus.
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Bennett Henry A.
Kilner Christopher B.
L'Air Liquide Societe Anonyme pour l'Etude et, l'Exploitation de
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