Air treatment method and apparatus for reduction of V.O.C.s, NOx, and CO in an air stream
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United States of America Patent
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Aug 10, 1999
Grant Date -
N/A
app pub date -
Nov 1, 1996
filing date -
Nov 2, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An air abatement system that includes a pre-treatment system and an air treatment system for abatement of contaminated air that includes pollutants such as V.O.C.s, NOx, and/or CO. The air stream is treated using activated air, activated water, and ultraviolet light under conditions that produce hyroxyls, peroxides, and other oxidants without the formation of ozone. These oxidants are also utilized in the activated air, with the activated water being formed as an aqueous solution of the activated air. The pre-treatment system includes a quenching zone where activated water is misted into the air stream, followed by alternating reaction zones and depletion zones where activated air is added and then turbulently mixed with the air stream. The air treatment system includes a primary treatment tunnel, carbon bed system, activated air generator, and a sparger tank farm. Activated air produced by the generator as added into water while being exposed to ultraviolet light in the sparger tank farm. Then, as the contaminated air stream moves through various sequential chambers within the tunnel, it is subjected to the misted activated water, while being simultaneously exposed to ultraviolet radiation. Air exiting the tunnel is then further treated in the carbon bed system.
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