Nitrogen Oxide/Chlorine Interactions in a Laboratory Swirl Flame Combustor

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Abstract
An experimental and theoretical investigation was conducted examining the effect of chlorine (CI) on nitrogen oxide (NO) emissions from a practical combustor. Experiments consisted of both parametric and detailed studies on an 82 k W rated swirl flame laboratory combustor. Theoretical efforts consisted of detailed kinetic modeling using validated kinetic mechanisms obtained from the literature. Both the experimental and theoretical work led to essentially negative results, namely, that NO/Cl interactions are unlikely to influence NO emissions under most conditions of interest. Kinetic modeling provided useful insight and was able to simulate trends revealed by the data. Additional calculations from kinetic modeling then suggested that CI might enhance staging effectiveness, under severely reducing primary stage conditions.