发明名称 |
Process for the mixed production of high and low purity oxygen |
摘要 |
An apparatus for simultaneously producing both high and low purity oxygen, which contains a double rectification column having therein a lower pressure fractionating column with two reboilers therein, and a higher pressure fractionating column, wherein an intermediate outlet is provided between the two reboilers of the lower pressure fractionating column for extracting a lower purity oxygen stream therefrom, and a high purity liquid oxygen stream from a bottom portion of the column simultaneously.
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申请公布号 |
US5349824(A) |
申请公布日期 |
1994.09.27 |
申请号 |
US19930083515 |
申请日期 |
1993.06.30 |
申请人 |
LIQUID AIR ENGINEERING CORPORATION |
发明人 |
HA, BAO;GARNIER, CATHERINE |
分类号 |
B01D3/32;F25J3/04;(IPC1-7):F25J3/02 |
主分类号 |
B01D3/32 |
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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