燃料化学学报2017，Vol.45Issue(4)：427-435,9.
含水量对神府煤快速热解过程气体释放及孔隙结构变化的影响
Effect of moisture content on gas release and pore structure development of wetted Shenfu coal during rapid pyrolysis
常清华 1李宏俊 2崔童敏 1樊文克 2于广锁 1王辅臣2
作者信息
- 1. 华东理工大学 煤气化及能源化工教育部重点实验室, 上海 200237
- 2. 煤基能源化工协同创新中心,上海 200237
- 折叠
摘要
Abstract
The rapid pyrolysis experiments of Shenfu coal with various moisture content prepared by adding water were conducted in a high-frequency furnace to study the influence of moisture content on the thermal behavior. The gas composition and the structure properties of char were analyzed. The result shows that the gas yield and the maximal release rate decrease when the moisture content of coal increases. After pyrolysis, both BET surface and pore volume increase with increasing moisture. Compared to the char from dry coal pyrolysis, the char from pyrolysis of coal with high moisture content has more developed pore structure with more micropores. Furthermore, the moisture can inhabit the occurrence of pore obstruction and collapse during rapid pyrolysis, and also contribute to the enhancement of the surface roughness and the pore structure complexity.关键词
含水煤/快速热解/气体释放/孔隙结构Key words
wet coal/rapid pyrolysis/gas release/pore structure分类
化学化工引用本文复制引用
常清华,李宏俊,崔童敏,樊文克,于广锁,王辅臣..含水量对神府煤快速热解过程气体释放及孔隙结构变化的影响[J].燃料化学学报,2017,45(4):427-435,9.
