| 发明名称 |
CRYOGENIC SYSTEM FOR PRODUCING ULTRA-HIGH PURITY NITROGEN |
| 摘要 |
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 150K or less. |
| 申请公布号 |
CA2252454(C) |
申请公布日期 |
2002.08.20 |
| 申请号 |
CA19982252454 |
申请日期 |
1998.10.29 |
| 申请人 |
PRAXAIR TECHNOLOGY, INC. |
发明人 |
HOWELL, JOHN KELLER;THOMPSON, DAVID RICHARD;NATWORA, JAMES PHILIP JR.;MARKOWSKI, MARY LOUISE;BERGMAN, THOMAS JOHN JR. |
| 分类号 |
B01D53/04;B01D53/75;B01J20/06;B01J20/08;C01B21/04;F25J3/08;(IPC1-7):F25J3/02 |
主分类号 |
B01D53/04 |
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