EFFECT OF ADDED AMMONIA ON THE REACTIONS OF ACTIVE NITROGEN WITH CH4, C2H6, AND C2H4

Abstract
The small HCN yield from the CH4 and C2H6 reactions in an unheated, cylindrical reaction vessel is greatly reduced in the presence of added NH3. The addition of NH3 completely quenches the flame emission from the CH4 reaction, and greatly reduces that from the C2H6 and C2H4 reactions. Both flame emission and HCN production from the CH4 and C2H6 reactions appear to be initiated, at reaction temperatures of about 83 °C, by an excited nitrogen molecule similar to that responsible for NH3 decomposition.
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