NO formation in premixed H2/CH4/CO/C6H6-air flat flames at low pressure: an experimental and numerical study
(2022) 26th “Journées d’Etudes” of the Belgian Section of the Combustion Institute — Location: Gand (29.March.2022)
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- Abstract
- Nitrogen oxides (NOx and N2O) are harmful atmospheric pollutants, mostly emitted by high-temperature combustion processes [1]. Extensive research activity on NOx control is being driven by increasingly stricter emission limits and the need of fuel flexible combustion systems. In this context, Coke Oven Gas (COG), a valuable by-product of coal carbonization, remains an attractive energy source [2,3]. After being cleaned from tar residues and other impurities; COG mostly contains H2, CH4, CO and small percentages of aromatic compounds, of which benzene is the most abundant one [2,4]. The proper exploitation of COG in combustion processes requires a detailed kinetic characterization, to assess both the combustion efficiency and pollutants emissions. This work aims to shed light on the effect of benzene on NOx formation in low pressure premixed H2/CH4/CO-air flames doped with benzene (0 to 1% in the fuel), as COG surrogates. A joint experimental and numerical study was performed at three different equivalence ratios (0.8, 1 and 1.2).
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Cafiero, M., Dias, V., Stagni, A., Coussement, A., Jeanmart, H., & Parente, A. (2022). NO formation in premixed H2/CH4/CO/C6H6-air flat flames at low pressure: an experimental and numerical study. 26th “Journées d’Etudes” of the Belgian Section of the Combustion Institute, Gand. https://hdl.handle.net/2078.5/103447