| 摘要 |
Bubble cap tray for bubble cap columns, comprising a plurality of bubble caps, each bubble cap having a top and a skirt extending downwardly from the top, openings for discharge of gas through the bubble cap at spaced intervals along the skirt, dividing the skirt into gas discharge openings and closed areas intermediate with the gas discharge openings, the openings of each cap confronting closed areas of the adjacent caps, so that gas streams issuing from the cap openings are not directed against one another. |
