| 摘要 |
<p>A tray design for use in a separation column (2) for distilling or fractionating a feed stream is provided. Located on the trays (6) are a plurality of co-current vapor and liquid contacting sections (16). Also located on the trays are a plurality of de-entrainment devices (8) for separating entrained liquids from vapor stream, the de-entrainment devices having an inner (25) and an outer (27) side, the inner side (25) being adjacent to the co-current contacting sections. The tray design further incorporates a plurality of liquid downcomers (14), having an upper portion and a lower portion, where the upper portion is capable of accepting liquid from the outer side (27) of the de-entrainment device of a first tray, and the lower portion is located within the co-current contacting section of a second tray.</p> |
