发明名称 |
Cryogenic rectification system for recovery of fluorine compounds |
摘要 |
<p>A cryogenic system for the recovery of fluorine compounds from a carrier gas stream such as an effluent stream from a semiconductor facility comprising three cryogenic rectification columns and a mass transfer contacting device.</p> |
申请公布号 |
EP0898135(A1) |
申请公布日期 |
1999.02.24 |
申请号 |
EP19980113432 |
申请日期 |
1998.07.18 |
申请人 |
PRAXAIR TECHNOLOGY, INC. |
发明人 |
FISHER, THEODORE FRINGELIN |
分类号 |
C01B9/08;C07C17/38;C07C17/383;C07C19/08;F25J3/02;H01L21/304;(IPC1-7):F25J3/02 |
主分类号 |
C01B9/08 |
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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