Design and Test of a Catalytic Combustor for a Heavy Duty Industrial Gas Turbine

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Abstract
The most effective technologies currently available for controlling NOx emissions from heavy duty industrial gas turbines are either diluent injection in the combustor reaction zone, or dry low NOx (DLN) combustion, coupled with selective catalytic reduction (SCR) De-NOx in the gas turbine exhaust. A competing technology with the potential for achieving comparable emissions levels at substantially lower capital investment and operating cost is catalytic combustion of lean premixed fuel and air within the gas turbine. A preliminary design of a catalytic combustion system using natural gas fuel has been prepared for the GE Model MS9001E gas turbine. A full scale test combustor has been constructed for a full pressure development test based upon this design work and was operated at the GE Power Generation Engineering Laboratory in Schenectady, New York. Discussion of the catalytic combustor design, the catalytic reactor design and laboratory development test results is presented.

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