| 发明名称 |
PROCESS AND APPARATUS FOR THE SEPARATION OF AIR AND THE PRODUCTION OF HIGHLY PURE OXYGEN |
| 摘要 |
<p>Oxygen from the bottom of a low pressure column (4) is purified from hydrocarbons in a first auxiliary column (12), and the vapor at the top of this column is distilled in a second auxiliary column (17) heated at the base thereof with air at medium pressure. Ultra-pure oxygen is produced at the bottom of the second auxiliary column. Application in the production of ultra-pure oxygen for the electronic industry.</p> |
| 申请公布号 |
EP0379435(B1) |
申请公布日期 |
1992.04.01 |
| 申请号 |
EP19900400145 |
申请日期 |
1990.01.19 |
| 申请人 |
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE |
发明人 |
GRENIER, MAURICE;MAZIERES, PHILIPPE |
| 分类号 |
F25J3/04 |
主分类号 |
F25J3/04 |
| 代理机构 |
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代理人 |
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