Process and plant for separating air by cryogenic distillation

Details Process and plant for separating air by cryogenic distillation Process and plant for separating air by cryogenic distillation

F - Mech Eng,Light,Heat,Weapons

25

J

F25J 3/04 (2006.01)

Patent

CA 2339392

An air separation plant producing pressurized gaseous oxygen comprises at least one column (17) having a bottom reboiler (19) and fed with a stream of air. The bottom reboiler is warmed by a nitrogen-enriched gas (25) compressed in a cold compressor (21) and pumped liquid oxygen (33) is withdrawn from the bottom of the column, pumped and vaporized. The refrigeration for the process is produced by air expansion in a turbine (15).

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