Contact tray and method employing same
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United States of America Patent
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Aug 6, 2013
Grant Date -
Jul 12, 2012
app pub date -
Jan 10, 2012
filing date -
Jan 10, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A contact tray is provided with a tray deck and dividing walls which form groupings of one or more cans and one or more downcomer inlets distributed across the tray deck. The cans have walls that surround vapor openings in the tray deck that permit upward passage of a vapor stream into the cans. Downcomers extend downwardly from the downcomer inlet and are positioned for delivering a liquid stream into the center of cans positioned on a tray deck of an underlying contact tray. Discharge openings are provided in the walls of the cans to allow the liquid stream to exit the cans. The dividing walls direct the exiting liquid stream into the downcomer inlets in the same grouping and prevent or impede the liquid stream from flowing to a low side of the tray deck.
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