温度对生物质固定床热解影响的研究  

THE INFLUENCE OF TEMPERATURE ON BIOMASS PYROLYSIS IN FIXED BED

作　　者：杨海平[1] 陈汉平[1] 晏蓉[2] 王贤华[1] 张世红[1] 郑楚光[1] 

机构地区：[1]华中科技大学煤燃烧国家重点实验室,武汉430074 [2]南洋理工大学环境科学工程研究院,新加坡637723

出　　处：《太阳能学报》2007年第10期1152-1157,共6页Acta Energiae Solaris Sinica

基　　金：国家重点基础研究发展(973)计划(2004CB217704)

摘　　要：在固定床上研究不同温度下生物质的热解过程,采用微型气相色谱、傅立叶红外光谱仪、比表面积和孔径分析仪等研究了热解温度对棕榈壳热解气体产物的释放特性和固体残余物生物质炭的物化特性及生物质的热解机理。实验发现生物质的热解主要集中在400～700℃,高温有利于气体产物的析出,生物质炭的量及其所含的有机官能团(C=0,C-C,C-H,C-O和OH等)随热解温度的升高快速减少。在600℃时固体生物质炭有较高的比表面积和小的孔径,表面孔结构较均匀。The decomposition property of bimass with palm shell as sample was performed in fixed bed at variant temperature （300,400,1000℃ ） in the paper. The release property of the gas product and the physis-chemical characteristics of biomass char were analyzed by Micro-GC, FTIR, ASAP, etc. analysis instruments. It was observed that the pyrolysis of biomass mainly focused at 400-700℃, and higher temperature is favorable for the enhancement of hydrogen rich gas product. With final temperature increasing, the yield of charcoal and the contained organic function groups （C = O, C-C, C- H, C-O and OH） in biomass reduced greatly. At about 600℃, the solid char got the maximum surface area and minimum mean pore size, with a fine surface structure. It is significant for the development of biomass pyrolysis/gasification technology, and will play active role in the conversion and utilization of biomass resource.

关 键 词：棕榈壳 温度 热解 生物质炭 

分 类 号：TB611[一般工业技术—制冷工程]