Core de-entrainment device for vessels with tangential inlets
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United States of America Patent
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Jun 19, 2012
Grant Date -
Dec 25, 2008
app pub date -
Feb 19, 2008
filing date -
Feb 23, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A distillation tower for use in a petrochemical or petroleum operation effects liquid and vapor separation by using centrifugal force applied to the feed introduced into a ring from a tangential inlet. The feed is separated into a liquid component that flows into the bottoms section of the tower and a vapor component that flows upwardly through the core of the ring to a wash zone in the tower. De-entrainment devices are provided in the core so that the vapor swirling upwardly impacts the devices and any remaining entrained liquid is separated from the vapor. As a result, overflash with decreased resid can be collected from the wash zone and used as feed suitable for a fluid catalytic cracking operation, for example.
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