发明名称 |
Production of ultra-high purity oxygen from cryogenic air separation plants |
摘要 |
The present invention relates to an improvement to cryogenic air separation processes which produce an ultra-high purity oxygen product and nitrogen and/or commercial purity oxygen products. In particular, the improvement of the present invention is characterized by removing a portion of liquid descending the distillation column system from the distillation section proximate to the location for withdrawing the oxygen-containing side-draw stream.
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申请公布号 |
US5590543(A) |
申请公布日期 |
1997.01.07 |
申请号 |
US19950520451 |
申请日期 |
1995.08.29 |
申请人 |
AIR PRODUCTS AND CHEMICALS, INC. |
发明人 |
AGRAWAL, RAKESH;HERRON, DONN M.;WHITE, THOMAS R. |
分类号 |
F25J3/04;(IPC1-7):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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