生物质化学工程2017，Vol.51Issue(3)：41-47,7.DOI:10.3969/j.issn.1673-5854.2017.03.007
热解终温对花生壳炭化产物的影响研究
Effect of Final Pyrolysis Temperature on Pyrolysis Products of Peanut Shells
摘要
Abstract
The pyrolysis experiments of peanut shells under different temperatures were carried on the fixed bed pyrolysis device,which was manufactured by Chinese Academy of Agricultural Engineering.The results showed that with the increase of the final pyrolysis temperature,the yields of bio-char and energy reduced gradually;the yields of tar and pyrolysis gas were raised,as well as the heat value.And the yields of tar reached the maximum at 550℃.The fixed carbon,ash and carbon element of the bio-char increased,the hydrogen element and oxygen element decreased,and the aromatic structure and chemical biological stability improved with the increase of final pyrolysis temperature.And the heat value of bio-char achieved the maximum(24.346MJ/kg) at 500℃.The bio-char combustion process included evaporation,fixed carbon and volatile combustion,and its ignition time was significantly later than that of peanut shells.The order of comprehensive combustion characteristic index(S) of bio-char from large to small was C500>C350>C600>C400>C450>C550.When the final pyrolysis temperature was 550℃,the specific surface area,microporous surface area,total pore volume and microporous volume of bio-char were the highest,which were 50.58m2/g and 29.56m2/g,0.01543cm3/g,and 0.01111cm3/g,respectively.However,there was still a big gap between the results of activated carbon.This required further processing.关键词
花生壳/热解/炭化/生物炭/特性Key words
peanut shell/pyrolysis/carbonization/bio-char/characteristic分类
化学化工引用本文复制引用
田宜水,王茹..热解终温对花生壳炭化产物的影响研究[J].生物质化学工程,2017,51(3):41-47,7.基金项目
2015年农村能源综合建设项目(2015-59) （2015-59）
