Host: The Japan Society of Mechanical Engineers
Name : [in Japanese]
Date : June 24, 2020 - June 26, 2020
Torrefaction has come to attract attention as one of the promising methods for improving the fuel properties of solid biofuels. This is because not only higher heating value (HHV) but also several functions such as grindability and water absorptivity are reformed. Since HHV of torrefied solid biofuel is affected by biomass species and its the progress degree of torrefaction, the relationship between torrefaction conditions and HHV for various biomass species has to be clarified to produce torrefied solid biofuels with a predetermined HHV. In this study, in order to estimate the HHV of torrefied Japanese cedar and rice straw, the effect of biomass species on pyrolysis kinetics is investigated with Two-step pyrolysis model. It is found that energy properties for various torrefied biomass can be determined with the simple linear expression of mass yield.
