Name : [in Japanese]
Location : [in Japanese]
Date : October 20, 2022 - October 21, 2022
Pages 8-9
To reduce carbon dioxide (CO2) emission, replacement of coal used for cokemaking to carbon-neutral material such as “biomass” is required. However, one difficulty in using biomass for cokemaking is the increase in coke reactivity of CO2 gasification reaction due to biomass addition. Therefore, effects of heat-treated biomass addition on coke reactivity and control methods for the reactivity were investigated. Obtained results demonstrated that the addition of heat-treated biomass increased the coke reactivity. On the other hand, increase in coking temperature and reflectance of coal (Ro) decreased the coke reactivity. Based on the X-ray diffraction analysis, it was suggested that decrease in the coke reactivity with increase in coking temperature and Ro is attributable to increase in the coke crystalline.
