Abstract
In this work, biomass samples were converted to char, liquid, and gaseous products using pyrolysis process at different temperatures. The amount of char from pyrolysis of the biomass samples decreases with increasing the pyrolysis temperature. The highest liquid yields were obtained from the biomass samples between 650 and 800 K. The yield of char and the chemical composition of char can be calculated as functions of the pyrolysis temperature. There have been numerous other mathematical equations, which were created based on data from the physical or chemical compositions, proximate or ultimate analysis of the biomass fuels. The char components and higher heating values (HHVs) of biomass fuels were correlated with pyrolysis temperatures. There were highly significant linear correlation between the pyrolysis temperature of the biomass fuel and the fixed carbon content and HHV of char. The fixed carbon (FC) and HHV (MJ/kg) of the char from biomass as a linear function of pyrolysis temperature (T, K) was calculated using the following equations: For Eqs. (a) and (b) the correlation coefficients (r) were 0.9809 and 0.9983, respectively.
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