Refrigeration – Cryogenic treatment of gas or gas mixture – Separation of gas mixture
Patent
1997-10-31
1999-11-16
Capossela, Ronald
Refrigeration
Cryogenic treatment of gas or gas mixture
Separation of gas mixture
62908, 62909, F25J 100
Patent
active
059836679
ABSTRACT:
A process for further purification of nitrogen gas, thereby producing ultra-high purity nitrogen which is substantially free of hydrogen, oxygen and carbon monoxide, wherein the nitrogen gas is contacted with a metal-containing adsorbent at a temperature of 150 K. or less.
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Bergman, Jr. Thomas John
Howell John Keller
Markowski Mary Louise
Natwora, Jr. James Philip
Thompson David Richard
Capossela Ronald
Ktorides Stanley
Praxair Technology Inc.
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