发明名称 |
Cryogenic rectification process for separating nitrogen and methane |
摘要 |
A cryogenic rectification process for the separation of nitrogen and methane wherein feed is preseparated in a high pressure column or phase separator into vapor and liquid portions, the vapor is condensed and at least partly employed as reflux for a main column, the liquid is passed into the main column at an intermediate point, and a portion of the liquid is vaporized against itself to provide additional column vapor upflow.
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申请公布号 |
US4878932(A) |
申请公布日期 |
1989.11.07 |
申请号 |
US19890326727 |
申请日期 |
1989.03.21 |
申请人 |
UNION CARBIDE CORPORATION |
发明人 |
PHADE, RAVINDRA F.;HANDLEY, JAMES R. |
分类号 |
F25J3/02 |
主分类号 |
F25J3/02 |
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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