Title: Low temp. system for producing super pure nitrogen
Application Number: 98123488 Application Date: 1998.10.29
Publication Number: 1216750 Publication Date: 1999.05.19
Approval Pub. Date: 2003.08.13 Granted Pub. Date: 2003.08.13
International Classifi-cation: B01D53/04;B01J38/02;C01B21/04;F25J3/02
Applicant(s) Name: Praxair Technology, Inc. Address:
Inventor(s) Name: M. L. Macoski;T. J. Bergman Jr;J. K. Howell
Attorney & Agent: wei jinxi
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.
Time: 5