Investigation of co-combustion characteristics of low quality lignite coals and biomass with thermogravimetric analysis

Varol, Murat
Atımtay, Aysel
Bay, B.
Olgun, H.
In this study, combustion and co-combustion characteristics of three biomass fuels and three Turkish lignite coals were investigated by using a thermo gravimetric analyzer. There are just a few studies investigating the co-combustion characteristics of coal and biomass, and the synergistic effect of their various combinations on the peak temperatures and burnout times.


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Magalhaes, Duarte; Kazanç Özerinç, Feyza; Yozgatlıgil, Ahmet; Department of Mechanical Engineering (2021-2-12)
The objective of this work was to investigate alternative Turkish fuels fortheir ignition, combustion, pyrolysis, and gasification behavior and to select alternative fuels for co-firing, co-pyrolysis, and co-gasification applications based on low and high heating rate experimental results. Agricultural biomass (olive residue, almond shell, and hazelnut shell)and Turkish lignites (Tunçbilek, and Soma) were chosen as the feedstocks. Severalexperimental rigs used such as thermogravi...
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Investigation of combustion of lignite and torrefied biomass in a thermogravimetric analyzer (TGA) and in a circulating fluidized bed (CFB) under oxy-fuel combustion conditions
Barzegar, Ramin; Yozgatlıgil, Ahmet; Department of Mechanical Engineering (2019)
In this study, the combustion of Turkish lignites (Orhaneli and Soma), torrefied woodchip, and their blends was studied under oxygen-enriched and oxy-fuel combustion conditions in a thermogravimetric analyzer. The iso-conversional kinetic methods were used to estimate the Arrhenius parameters and the uncertainty assessments associated with the kinetic calculations were considered. The co-combustion experiments showed a synergetic effect between the biomass samples and Orhaneli lignite. Based on the obtained...
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Investigation of radiative heat transfer in freeboard of a 0.3 MWt AFBC test rig
Kozan, M; Selçuk, Nevin (2000-01-01)
Based on the analysis of measured data on flow rates, concentrations and temperatures taken during steady state operation of a lignite-fired 0.3 MWt Atmospheric Fluidized Bed Combustor (AFBC) test rig, radiative exchange in freeboard of the combustor was modeled by using a well-stirred enclosure model in conjunction with Radiosity-Irradiation Method (RIM). Radiative properties of the particle laden combustion gases were calculated by assuming grey radiation behaviour for both particles and gas, and using Le...
Citation Formats
M. Varol, A. Atımtay, B. Bay, and H. Olgun, “Investigation of co-combustion characteristics of low quality lignite coals and biomass with thermogravimetric analysis,” THERMOCHIMICA ACTA, pp. 195–201, 2010, Accessed: 00, 2020. [Online]. Available: