Crossflow tray for a mass transfer column, mass transfer column and use of the mass transfer column
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United States of America Patent
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Jan 22, 2019
Grant Date -
Sep 22, 2016
app pub date -
Mar 17, 2016
filing date -
Mar 18, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a crossflow tray for a mass transfer column (27) in which a gas is conducted in countercurrent to a liquid, the crossflow tray (1) having passage orifices (3) for the gas and at least two downcomers (5), the downcomers (5) projecting beyond the top surface of the crossflow tray (1) and a collecting cup (13) being disposed beneath each downcomer (5). The downcomer (5) projects into the collecting cup (13), the minimum horizontal cross-sectional area of the collecting cup (13) is 1.2 to 4 times greater than the horizontal cross-sectional area of the downcomer (5) at the outlet, and the collecting cup (13) has a circumferential wall (15) having an overflow (19).
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