Electronic controls for pollutant removal
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United States of America Patent
Stats
-
Jul 8, 2008
Grant Date -
Oct 27, 2005
app pub date -
May 20, 2005
filing date -
Aug 1, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electronic control system for regulating operational parameters in a pollution removal system. The pollution removal system may contain at least one reaction zone connected to a source of gas and a sorbent feeder containing a supply of sorbent. The system may include a pollutant concentration sensor that measures the concentration of at least one target pollutant in a gas exiting a reaction zone, a differential pressure sensor that measures the differential pressure across a reaction zone, a sorbent feed rate controller that regulates sorbent feed rate to the reaction zone, and a controller in communication with these elements. The controller may use the measured values to adjust sorbent feeder rate to ensure that the target pollutant concentration in a gas exiting the reaction zone is within an acceptable range and that differential pressure across the reaction zone is no greater than a predetermined level.
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