摘要
采用化学(KOH)方法对两种具有代表性的生物质原料(花梨木和稻壳)的快速热裂解固体产物-热解炭进行了活化,并采用氮吸附、X射线衍射(XRD)、傅里叶红外光谱分析(FTIR)和扫描电镜(SEM)技术测试了热解炭的结构特性、表面特性以及物理化学性质.结果表明,这两种热解炭经过活化后可以获得许多优良的性质,固定碳含量增加,灰分含量减少.同时,活化后BET比表面积迅速增大,超过1100m2/g,而且热解炭的石墨化程度都有所加深.热解炭通过活化过程可以实现其高品质利用,有利于生物质热裂解技术的工业化发展.
The pyrolytic chars from fast pyrolysis of rosewood and rice husk have been activated with KOH solvent. The texture and structure, surface properties and physico-chemical properties of the pyrolytic chars have been characterized by N2 physisorption, X-ray diffraction （XRD）, Fourier transform infrared spectroscopy （ FTIR ） and Scanning electron microscope （ SEM ）. Compared with the original pyrolytic chars, the activated chars had higher fixed carbon content and lower ash content. The BET surface area increased beyond l 100m2/g after activation. Moreover, the activated chars had higher graphitization degree. high grade utilization of pyrolytic biomass fast pyrolysis technology.
出处
《应用基础与工程科学学报》
EI
CSCD
北大核心
2013年第1期45-53,共9页
Journal of Basic Science and Engineering
基金
浙江省杰出青年科学基金(R1110089)
"十二五"国家科技支撑计划课题(2011BAD22B06)
国家自然科学基金(51276166)
浙江省重点科技创新团队(2009R50012)
国际科技合作项目(2011DFR60190)
新世纪优秀人才支持计划资助(NCET-10-0741)
关键词
生物质
快速热裂解
热解炭
活化
石墨化
biomass
fast pyrolysis Through this activation process, char will be achieved, as will benefit the industrialization of
pyrolytic char
activation
graphitizing
