发明名称 |
Air separation process and installation therefor |
摘要 |
<p>In an air-separation process, in order to keep the purities of the gaseous products of a distillation column (24) constant, an excess of a liquid rich in nitrogen is introduced into the column (24) if the product demand and the feed-air flow rate increase. When they decrease, an excess of the liquid rich in nitrogen is removed from the column (24). <IMAGE></p> |
申请公布号 |
EP0622595(B1) |
申请公布日期 |
1998.02.04 |
申请号 |
EP19940400772 |
申请日期 |
1994.04.11 |
申请人 |
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE |
发明人 |
DARREDEAU, BERNARD;LEHMAN, JEAN-YVES;PEYRON, JEAN-MARC |
分类号 |
C21C5/28;F25J3/04;(IPC1-7):F25J3/04 |
主分类号 |
C21C5/28 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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