Full scale laboratory tests were performed by the Combustion Turbine Systems Division of the Westinghouse Electric Corporation to explore the feasibility of using catalytic burners in industrial combustion turbines to reduce emissions. Catalytic elements were provided by the Engelhard Industries Division of Engelhard Corporation, and No. 2 distillate fuel was burned in single combustor rig tests at the pressure, airflow, and inlet temperature equivalent to those in a large combustion turbine. Variations of a concept that employed a conventional preburner upstream of a catalytic secondary, and sidewall fuel injection were tested and evaluated for fuel/air presentation to the catalyst. Results indicated ultra-low NOx emissions and that, with development in secondary fuel/air preparation, the concept is technically feasible.

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