主催: 一般社団法人 日本エネルギー学会
開催日: 2020/08/05 - 2020/08/07
Woody biomass fuel demand for domestic power and heat production has been increasing. For a stable woody bioresource supply, herbaceous perennial energy-crop such as Erianthus arundinaceus (Erianthus) is a promising option. Erianthus (JES1) grew about 14 t/ha in Nasu-shiobara, Japan and stand dead, leading to small drying cost. However, clinker formed by ash or char melting during gasification could decrease in operating time, leading to a worsening of profitability. In this study, the fusion characteristics of Erianthus ash and char were investigated. XRF analysis showed that the main components of Erianthus ash were Si, K, Ca, P, and S. In the XRD pattern, the crystal structures of SiO2 and KHSiO2 were observed. Higher SiO2 peak was observed in air atmosphere than in N2. Through the melting experiment at 1250°C, Erianthus ash melted and had a different crystal structure of SiO2, decreasing the amount of K in molten ash.