Air stripper
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United States of America Patent
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Oct 13, 2015
Grant Date -
Aug 22, 2013
app pub date -
Feb 5, 2013
filing date -
Jan 19, 2007
priority date (Note) -
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Abstract
An air stripper includes a vessel, a gas delivery tube to deliver a gas into the vessel and a contaminated liquid inlet that provides a contaminated liquid to the vessel at a rate sufficient to maintain a controlled constant level of process fluid within the vessel. A weir is disposed within the vessel adjacent the gas delivery tube to form a first fluid circulation path between a first weir end and a wall of the vessel and a second fluid circulation path between a second weir end and an upper end of the vessel. During operation, gas introduced through the tube mixes with the process fluid and the combined gas and fluid flow at a high rate with a high degree of turbulence along the first and second circulation paths defined around the weir, thereby promoting vigorous mixing and intimate contact between the gas and the process fluid.
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