发明授权
US5873264A Cryogenic rectification system with intermediate third column reboil
失效
具有中间第三列再沸器的低温精馏系统
- 专利标题: Cryogenic rectification system with intermediate third column reboil
- 专利标题(中): 具有中间第三列再沸器的低温精馏系统
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申请号: US932965申请日: 1997-09-18
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公开(公告)号: US5873264A公开(公告)日: 1999-02-23
- 发明人: Dante Patrick Bonaquist , Susan Marie Sattan
- 申请人: Dante Patrick Bonaquist , Susan Marie Sattan
- 申请人地址: CT Danbury
- 专利权人: Praxair Technology, Inc.
- 当前专利权人: Praxair Technology, Inc.
- 当前专利权人地址: CT Danbury
- 主分类号: F25J3/04
- IPC分类号: F25J3/04 ; F25J1/00
摘要:
A cryogenic rectification system for producing lower purity oxygen comprising a double column with a third column reboiled by feed air at an intermediate level and, optionally, in a staged manner at the bottom level.
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