| 摘要 |
A column is disclosed for counter-currently contacting gas and liquid comprising a plurality of horizontal contact trays arranged axially spaced apart in the column, each contact tray being provided with passages, and which column is further provided with a plurality of horizontal separation trays, each separation tray being spatially arranged above a contact tray, said separation tray having means to separate entrained liquids from the upwardly moving vapor and means to return the thus separated liquid to a contact tray below, wherein the means to separate liquid from the vapor comprise a separation device having vapor inlet means, demister means to separate liquid from a substantially horizontal moving vapor, means to discharge the obtained vapor poor in liquids to a contact tray above the separation tray and means to collect the separated liquids at a lower end of the separating device, which collecting means are in fluid communication with the means to return the thus separated liquid to a contact tray below.
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