F - Mech Eng,Light,Heat,Weapons – 25 – J
Patent
F - Mech Eng,Light,Heat,Weapons
25
J
F25J 3/04 (2006.01)
Patent
CA 2114573
- 22 - PROCESS FOR MAXIMIZING THE RECOVERY OF ARGON FROM AN AIR SEPARATION SYSTEM AT HIGH ARGON RECOVERY RATES ABSTRACT OF THE INVENTION The present invention is a process for maximizing the recovery of argon at high argon recovery rates from an air separation system having a high and low pressure distillation column containing multiple distillation stages of rectification and having a sidearm column for argon recovery. A compositional measurement is made of a process variable at one or more preselected stages of rectification which have been identified as exhibiting high sensitivity to plant process variations. The total nitrogen content in the argon feed may then be computed by simulated mathematical correlation from such compositional measurement.
Bonaquist Dante Patrick
Canney William Matthew
Howard Henry Edward
Nash William Arthur
Praxair Technology Inc.
Sim & Mcburney
LandOfFree
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