Low pressure drop, turbulent mixing zone dry scrubber
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United States of America Patent
Stats
-
Jun 17, 1997
Issued Date -
N/A
app pub date -
Oct 2, 1996
filing date -
Oct 7, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Contaminants such as sulfur oxides are removed from flue gas in a low pressure drop, turbulent mixing zone, vertical dry scrubber by channeling the flue gas through a low pressure drop gas distribution means which controls flue gas introduction to the scrubber, along with control of reagent introduction, by treating the flue gas with a finely atomized alkali solution or slurry reagent preferably from a single or multiple array of dual-fluid atomizers. The atomizers create a turbulent mixing zone downstream of the gas distribution means which results in a homogeneous distribution of the alkali solution or slurry reagent in the flue gas. Control means are provided for creating and maintaining the turbulent mixing zone. A transition at the bottom of the dry scrubber is used to entrain any particulates and/or spray dried materials in the bulk gas stream exiting the dry scrubber.
First Claim
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