化工学报 ›› 2022, Vol. 73 ›› Issue (11): 5186-5200.DOI: 10.11949/0438-1157.20220827
马萌1(), 白永辉1(), 卫俊涛2, 闫伦靖3, 吕鹏1, 王焦飞1, 宋旭东1, 苏暐光1, 于广锁1,4()
收稿日期:
2022-06-14
修回日期:
2022-08-29
出版日期:
2022-11-05
发布日期:
2022-12-06
通讯作者:
白永辉,于广锁
作者简介:
马萌(1994—),男,博士研究生,mameng1021@163.com
基金资助:
Meng MA1(), Yonghui BAI1(), Juntao WEI2, Lunjing YAN3, Peng LYU1, Jiaofei WANG1, Xudong SONG1, Weiguang SU1, Guangsuo YU1,4()
Received:
2022-06-14
Revised:
2022-08-29
Online:
2022-11-05
Published:
2022-12-06
Contact:
Yonghui BAI, Guangsuo YU
摘要:
生物质和煤协同热化学转化是实现非化石能源和化石能源耦合高效利用的技术手段,对实现“双碳”目标具有重要现实意义。基于生物质等含碳燃料高挥发分组成和富氧特性,热化学转化过程不可避免地发生挥发分-半焦交互作用并影响原料性质和设备过程参数。综述了生物质与煤(共)热解/气化过程中挥发分-半焦交互作用的研究进展,总结了交互作用对挥发分的催化裂解规律、对半焦结构与性质的影响及生物质和煤协同热化学转化下的解耦研究思路三方面具体内容。针对目前挥发分-半焦交互作用机制解析过程所采用的研究方法及思路,提出了新的见解并对未来交互作用的重点研究方向进行了展望,以期为进一步认识交互作用的物理化学本质提供理论指导。
中图分类号:
马萌, 白永辉, 卫俊涛, 闫伦靖, 吕鹏, 王焦飞, 宋旭东, 苏暐光, 于广锁. 生物质与煤(共)热解/气化过程中挥发分-半焦交互作用研究与进展[J]. 化工学报, 2022, 73(11): 5186-5200.
Meng MA, Yonghui BAI, Juntao WEI, Lunjing YAN, Peng LYU, Jiaofei WANG, Xudong SONG, Weiguang SU, Guangsuo YU. Research and progress of volatile-char interaction during biomass and coal (co-)pyrolysis/gasification process[J]. CIESC Journal, 2022, 73(11): 5186-5200.
图3 生物质半焦为催化剂时不同制焦温度对挥发分催化裂解产物分布和组成的影响[23]
Fig.3 Effect of different coking temperatures on the distribution and composition of volatile catalytic cracking products over biochar catalyst[23]
图4 800℃下H2O和CO2气氛生物质半焦催化重整生物焦油的裂解机理[38]
Fig.4 Heterogeneous reforming mechanism of biomass tar over biochar in the presence of H2O and CO2 at 800℃[38]
图6 交互反应中不同进料速率下褐煤焦的IGR/ID和I(GR+VL+VR)/ID值变化规律[59]
Fig.6 IGR/ID and I(GR+VL+VR)/ID values of lignite char under different feeding rates in the volatile-char interactions[59]
图10 (a) 丝网反应器; (b) 流化床/固定床反应器; (c) 褐煤在丝网反应器和流化床/固定床反应器热解过程中Na的挥发[46, 50]
Fig.10 Volatilisation of Na during the brown coal pyrolysis in a wire-mesh reactor and a fixed-bed/fluidised-bedreactor [46, 50]
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