Advanced NOX reduction for boilers
Advanced overfire air system for NO.sub.x control
Annular nozzle burner and method of operation
Apparatus and method for reduction of NOx emissions from a fluid
Apparatus and method for the removal of higher and lower volatil
Apparatus and method to improve pulverizer and reduce NO.sub.x e
Apparatus and methods for operating a fluidized bed reactor
Apparatus for estimating an unburned component amount in ash in
Assembled cathode and plasma igniter with such cathode