F - Mech Eng,Light,Heat,Weapons – 25 – J
Patent
F - Mech Eng,Light,Heat,Weapons
25
J
F25J 3/04 (2006.01) C01B 13/02 (2006.01) C01B 21/04 (2006.01)
Patent
CA 2262238
A system for the production of ultra-high purity nitrogen and ultra-high purity oxygen at high recovery by the cryogenic rectification of feed air employing a main column, an auxiliary column and a stripping column, wherein the stripping column is driven by main column kettle fluid and additional process fluid generated in the auxiliary column is utilized in the main column.
Praxair Technology Inc.
Sim & Mcburney
LandOfFree
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