Lewis Research Center is currently evaluating catalytic combustion as part of the Critical Research and Advanced Technology Support Project sponsored by the D.O.E. Office of Fossil Energy, Division of Coal Utilization. Catalytic combustion has been shown to be capable of high combustion efficiency and low thermal NOx emissions when operated on fuels which contain negligible amounts of fuel-bound nitrogen (1,2). Catalytic combustion of residual fuels has also been reported in the literature (3 to 5). Premixing and prevaporizing the residual fuels was found to be a problem and a major drawback for their use as catalytic combustor fuels.

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