The estimation of fuel nitrogen distribution during the devolatilization process of coal by TG-DTG-MS analysis
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2021
Authors
Stojiljković, DragoslavaManić, Nebojša
Janković, Bojan
Radojević, Miloš
Bešenić, Tibor
Vujanović, Milan
Jovanović, Vladimir
Conference object (Published version)
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The emission control from coal-fired power plants is on a global level in focus last decades due to environmental issues. The emission of nitrogen oxides is recognized among the other pollutants, as the key environmental problem related to energy production by the coal utilization. In this paper, the effect of fuel nitrogen delivery on the NOx precursors (HCN and NH3) during devolatilization processes of selected coal samples (with high content of nitrogen) has been examined. TG-DTG coupled with mass spectrometry (MS) experimental techniques was used for the assessment of nitrogen distribution for HCN and NH3 as intermediate species during coal devolatilization, which directly influences the emission of nitrogen oxides during the combustion process. Further by the establishment, the mass balance of nitrogen together with performed analysis of evolved gases, the distribution of nitrogen between volatiles and char could be also determined. The obtained data for particular coal samples co...uld be exploited for further coal combustion process optimization in regard to NOx emissions, and can be used as the experimentally determined input parameters for mathematical modeling of the coal combustion process, in the large-scale coal-fired power plants.
Keywords:
NOx emissions / intermediate species / HCN / NH3 / fuel nitrogen distributionSource:
Programme & Full Papers Proceedings of Power Plants 2021, 2021Publisher:
- Belgrade : Society of Thermal Engineers of Serbia
Funding / projects:
- Ministry of Science, Technological Development and Innovation of the Republic of Serbia, institutional funding - 200105 (University of Belgrade, Faculty of Mechanical Engineering) (RS-MESTD-inst-2020-200105)
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Mašinski fakultetTY - CONF AU - Stojiljković, Dragoslava AU - Manić, Nebojša AU - Janković, Bojan AU - Radojević, Miloš AU - Bešenić, Tibor AU - Vujanović, Milan AU - Jovanović, Vladimir PY - 2021 UR - https://machinery.mas.bg.ac.rs/handle/123456789/7243 AB - The emission control from coal-fired power plants is on a global level in focus last decades due to environmental issues. The emission of nitrogen oxides is recognized among the other pollutants, as the key environmental problem related to energy production by the coal utilization. In this paper, the effect of fuel nitrogen delivery on the NOx precursors (HCN and NH3) during devolatilization processes of selected coal samples (with high content of nitrogen) has been examined. TG-DTG coupled with mass spectrometry (MS) experimental techniques was used for the assessment of nitrogen distribution for HCN and NH3 as intermediate species during coal devolatilization, which directly influences the emission of nitrogen oxides during the combustion process. Further by the establishment, the mass balance of nitrogen together with performed analysis of evolved gases, the distribution of nitrogen between volatiles and char could be also determined. The obtained data for particular coal samples could be exploited for further coal combustion process optimization in regard to NOx emissions, and can be used as the experimentally determined input parameters for mathematical modeling of the coal combustion process, in the large-scale coal-fired power plants. PB - Belgrade : Society of Thermal Engineers of Serbia C3 - Programme & Full Papers Proceedings of Power Plants 2021 T1 - The estimation of fuel nitrogen distribution during the devolatilization process of coal by TG-DTG-MS analysis UR - https://hdl.handle.net/21.15107/rcub_machinery_7243 ER -
@conference{ author = "Stojiljković, Dragoslava and Manić, Nebojša and Janković, Bojan and Radojević, Miloš and Bešenić, Tibor and Vujanović, Milan and Jovanović, Vladimir", year = "2021", abstract = "The emission control from coal-fired power plants is on a global level in focus last decades due to environmental issues. The emission of nitrogen oxides is recognized among the other pollutants, as the key environmental problem related to energy production by the coal utilization. In this paper, the effect of fuel nitrogen delivery on the NOx precursors (HCN and NH3) during devolatilization processes of selected coal samples (with high content of nitrogen) has been examined. TG-DTG coupled with mass spectrometry (MS) experimental techniques was used for the assessment of nitrogen distribution for HCN and NH3 as intermediate species during coal devolatilization, which directly influences the emission of nitrogen oxides during the combustion process. Further by the establishment, the mass balance of nitrogen together with performed analysis of evolved gases, the distribution of nitrogen between volatiles and char could be also determined. The obtained data for particular coal samples could be exploited for further coal combustion process optimization in regard to NOx emissions, and can be used as the experimentally determined input parameters for mathematical modeling of the coal combustion process, in the large-scale coal-fired power plants.", publisher = "Belgrade : Society of Thermal Engineers of Serbia", journal = "Programme & Full Papers Proceedings of Power Plants 2021", title = "The estimation of fuel nitrogen distribution during the devolatilization process of coal by TG-DTG-MS analysis", url = "https://hdl.handle.net/21.15107/rcub_machinery_7243" }
Stojiljković, D., Manić, N., Janković, B., Radojević, M., Bešenić, T., Vujanović, M.,& Jovanović, V.. (2021). The estimation of fuel nitrogen distribution during the devolatilization process of coal by TG-DTG-MS analysis. in Programme & Full Papers Proceedings of Power Plants 2021 Belgrade : Society of Thermal Engineers of Serbia.. https://hdl.handle.net/21.15107/rcub_machinery_7243
Stojiljković D, Manić N, Janković B, Radojević M, Bešenić T, Vujanović M, Jovanović V. The estimation of fuel nitrogen distribution during the devolatilization process of coal by TG-DTG-MS analysis. in Programme & Full Papers Proceedings of Power Plants 2021. 2021;. https://hdl.handle.net/21.15107/rcub_machinery_7243 .
Stojiljković, Dragoslava, Manić, Nebojša, Janković, Bojan, Radojević, Miloš, Bešenić, Tibor, Vujanović, Milan, Jovanović, Vladimir, "The estimation of fuel nitrogen distribution during the devolatilization process of coal by TG-DTG-MS analysis" in Programme & Full Papers Proceedings of Power Plants 2021 (2021), https://hdl.handle.net/21.15107/rcub_machinery_7243 .