发明名称 Method and apparatus for producing elevated pressure nitrogen.
摘要 <p>A method and apparatus for producing elevated pressure nitrogen with improved recovery comprising a primary column and a lower pressure auxiliary column wherein auxiliary column top vapor is condensed, pressurized and passed into the primary column. <IMAGE></p>
申请公布号 EP0496355(A1) 申请公布日期 1992.07.29
申请号 EP19920100936 申请日期 1992.01.21
申请人 UNION CARBIDE INDUSTRIAL GASES TECHNOLOGY CORPORATION 发明人 CHEUNG, HARRY;BONAQUIST, DANTE PATRICK
分类号 F25J3/04 主分类号 F25J3/04
代理机构 代理人
主权项
地址