Distillation column downcomer having liquid permeable wall
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United States of America Patent
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-
Sep 7, 1999
Issued Date -
N/A
app pub date -
Oct 19, 1995
filing date -
Feb 6, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A downcomer having a screened or otherwise liquid permeable wall is provided for use in a mass transfer or distillation column. The liquid permeable wall provides another avenue for liquid to be removed from the downcomer to increase the liquid handling capacity of the downcomer. When wetted, the liquid permeable wall provides a barrier against vapor entry into the downcomer through the wall.
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