文献类型：会议论文

英文题名：Co-gasification reactivity and synergy of banana residue hydrochar and anthracite coal blends

作者：Mosqueda, Alexander[1];Wei, Juntao[3];Medrano, Katleya[1];Gonzales, Hazel[2];Ding, Lu[1,3];Yu, Guangsuo[3];Yoshikaw, Kunio[1]

机构：[1]Tokyo Inst Technol, Sch Environm & Soc, Dept Transdsciplinary Sci & Engn, Midori Ku, G5-8,4259 Nagatsuta Cho, Yokohama, Kanagawa 2268502, Japan;[2]Tokyo Inst Technol, Innovator & Inventor Dev Platform, Midori Ku, J3-18,4259 Nagatsuta Cho, Yokohama, Kanagawa 2268502, Japan;[3]East China Univ Sci & Technol, Minist Educ, Key Lab Coal Gasificat & Energy Chem Engn, Shanghai 200237, Peoples R China

会议论文集：10th International Conference on Applied Energy (ICAE)

会议日期：AUG 22-25, 2018

会议地点：Hong Kong, HONG KONG

语种：英文

外文关键词：Co-gasification; Reactivity; Synergy; Hydrothermal treatment; Biomass

摘要：This work investigated the influence of biomass hydrothermal treatment (HT) on co-gasification reactivity and synergy of anthracite coal and banana residue hydrochar (HTC) prepared at varying HT temperatures (180 degrees C, 200 degrees C and 220 degrees C). In addition, the effect of HTC char on chemical structure evolution of coal char in co-gasification process was studied to correlate the co-gasification synergy. The results revealed that the co-gasification reactivity of the blended chars was enhanced with decreasing HT temperature. Moreover, the differences in synergistic effect on co-gasification reactivity was greatly influenced by HT temperature, and a more pronounced synergistic effect was achieved at the lowest HT temperature (180 degrees C). This phenomenon could be well explained by the chemical structure variations of coal char during co-gasification. Active AAEM contained in HTC char showed positive effect on the chemical structure evolution of coal char, specifically on the decrease in the order degree of carbon structure as well as increase in the amount of amorphous carbon structure of coal char; furthermore, this positive effect was weakened as HT temperature increased, being more evident for HT temperature of 180 degrees C than 200 degrees C and 220 degrees C. The findings in this work would be useful in revealing the co-gasification synergy mechanism of biomass hydrochar and coal blends, and may provide valuable information on the relevance of HT to industrial-scale gasification systems.