Cryogenic distillation system for air separation

Details Cryogenic distillation system for air separation Cryogenic distillation system for air separation

F - Mech Eng,Light,Heat,Weapons

25

J

F25J 3/04 (2006.01)

Patent

CA 2308042

Air is sent to a triple column comprising a high pressure column (101), an intermediate pressure column (102) and a low pressure column (103). The intermediate pressure column is fed with oxygen enriched liquid (10) from the high pressure column. Argon enriched liquid (33,41) is sent to an argon column (104) from the low pressure column. The top condenser (27) of the argon column is cooled using nitrogen enriched liquid (25A,81) from the top of the high, low or intermediate pressure column or the bottom reboiler of the argon column.

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