Hybrid contact tray for a mass transfer column
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United States of America Patent
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Jun 5, 2018
Issued Date -
Dec 10, 2015
app pub date -
Jan 16, 2014
filing date -
Jan 16, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A hybrid contact tray for a mass transfer column is provided. The contact tray includes a tray deck for passage of liquid along a liquid flow path thereon. The tray deck has a plurality of orifices for passage of ascending vapor through the tray deck, a cross-current vapor-liquid mixing section having a first portion of the plurality of orifices, and a co-current vapor-liquid mixing section including at least one co-current mixing device associated with a second portion of the plurality of orifices. The tray deck also has features capable of altering liquid head levels with respect to the plurality of orifices such that the liquid head level within the co-current vapor-liquid mixing section is greater than the liquid head level within the cross-current vapor-liquid mixing section.
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