发明名称 |
Method and apparatus for producing elevated pressure nitrogen. |
摘要 |
<p>A method and apparatus for producing elevated pressure nitrogen with improved recovery comprising a primary column and a lower pressure auxiliary column wherein auxiliary column top vapor is condensed, pressurized and passed into the primary column. <IMAGE></p> |
申请公布号 |
EP0496355(A1) |
申请公布日期 |
1992.07.29 |
申请号 |
EP19920100936 |
申请日期 |
1992.01.21 |
申请人 |
UNION CARBIDE INDUSTRIAL GASES TECHNOLOGY CORPORATION |
发明人 |
CHEUNG, HARRY;BONAQUIST, DANTE PATRICK |
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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主权项 |
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地址 |
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