Abstract
Impact of using CO2 or N2/Ar as bath gas, representative respectively of oxy-fuel or air combustion scenarios, has been evaluated on the oxidation of ammonia under a variety of operating conditions in a combined experimental and simulation study. Variables of relevance as temperature and oxygen stoichiometry have been considered at atmospheric pressure and under carefully controlled experimental conditions. Additionally, the impact of the presence of NO, which can be formed from ammonia oxidation, has also been evaluated. The experimental results obtained have been simulated with significant success with a detailed literature kinetic mechanism, which has been further used to interpret the main experimental observations. The results obtained are of interest in the power and energy industry, and can be used for guiding the co-firing of NH3 and carbon containing fuels.
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