Effect of Change in Temperature on the Concentration of Flue Gas Components

Mentes, Dóra and Póliska, Csaba (2020) Effect of Change in Temperature on the Concentration of Flue Gas Components. Materials Science and Engineering, 45 (1). pp. 207-216. ISSN 2063-6792

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Abstract

Knowledge of the mechanism of formation of flue gas components from residen-tial solid fuels is essential for the reduction of gaseous substances which causes climate change and are harmful to the environment. The complexity of formation of the flue gas components was simplified during laboratory experiments. The homogeneity and mass of the sample affecting the firing was constant, and volume flow of the continuously flowing combustion air was 140 dm3/h. The temperature of the combustion chamber was changed, it was heated to 600 °C, 700 °C and 800 °C. It was obtained an answer to how increasing the temperature of the combustion chamber affects the amount of CO, CO2, O2, and NOx components formed in the flue gas as a function of time as a result. The CO formation can be divided into two stages during combustion: the inflammatory stage and the combustion stage. During the inflammatory phase the amount of CO is affected by oxygen involved in the combustion and the amount of the excess air, while in the com-bustion phase it is primary influenced by temperature.

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