F - Mech Eng,Light,Heat,Weapons – 25 – J
Patent
F - Mech Eng,Light,Heat,Weapons
25
J
F25J 3/04 (2006.01)
Patent
CA 2254635
A method for directly producing lower purity oxygen with high recovery, employing a non-adiabatic distillation device within a distillation column to provide high purity liquid nitrogen reflux to the upper section of the column. This invention provides for a variety of feed air options to the non-adiabatic distillation device and to the distillation column.
Praxair Technology Inc.
Sim & Mcburney
LandOfFree
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