| 摘要 |
An apparatus and method for sealing vapor/liquid contacting trays on startup of a downcomer-equipped vapor/liquid contactor comprising a series of gas/liquid contacting trays, at least some of said trays having a weir to maintain a liquid level thereon, a downcomer whereby liquid may flow down to the next lower tray and a seal area positioned underneath said downcomer for providing a liquid seal between successive trays in said series which comprises, prior to full liquid loading of a tray, collecting a portion of the first liquid on said tray, and passing it directly to said seal area positioned underneath said downcomer.
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