Optics: measuring and testing – For light transmission or absorption – Of fluent material
Reexamination Certificate
2007-01-09
2007-01-09
Toatley, Jr., Gregory J. (Department: 2877)
Optics: measuring and testing
For light transmission or absorption
Of fluent material
C356S436000, C250S573000, C431S012000, C431S076000, C236S014000, C236S01500E, C236S0150BD, C060S276000, C110S185000, C700S274000, C700S286000
Reexamination Certificate
active
10158793
ABSTRACT:
Excess oxygen in the combustion process of a facility that bums carbon-based fuels may cause a visible plume in the atmosphere at the stack of the facility. Traditional optical based opacity monitors may be unable to detect this plume or the plume may form at a location downstream from the opacity monitor toward the stack. The present invention discloses methods to utilize common combustion control variables to detect and signal the presence of a visible plume of exhaust gasses. Also disclosed are systems that detect the visible plume and provide a signal so that the combustion process may be manually or automatically adjusted to reduce or eliminate the visible plume.
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Florida Power and Light Company
Michael & Best & Friedrich LLP
Stock, Jr. Gordon J.
Toatley , Jr. Gregory J.
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