Interactions of biomass components during pyrolysis: A TG-FTIR study

被引：210
|
作者：
Liu, Qian [1 ]
Zhong, Zhaoping [1 ]
Wang, Shurong [2 ]
Luo, Zhongyang [2 ]
机构：
[1] Southeast Univ, Sch Energy & Environm, Nanjing 210096, Peoples R China
[2] Zhejiang Univ, Stare Key Lab Clean Energy Utilizat, Hangzhou 310027, Zhejiang, Peoples R China
来源：
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS | 2011年 / 90卷 / 02期
关键词：
Biomass; Component; Pyrolysis; Interaction; Volatile; CELLULOSE PYROLYSIS; STEAM GASIFICATION; GAS EVOLUTION; WOOD; LIGNIN; MECHANISM; HEMICELLULOSE; ELUCIDATION; KINETICS; STRAW;
D O I：
10.1016/j.jaap.2010.12.009
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The pyrolysis of synthetic biomass samples as three-component (viz. hemicellulose, cellulose and lignin) mixtures was investigated by using the technology of thermogravimetric analyzer coupled with Fourier transform infrared spectrometer (TG-FTIR). The results reveal the occurrence of interactions among biomass components during pyrolysis, especially the influence of lignin to hemicellulose below 327 C and that of hemicellulose to cellulose above 327 degrees C. By analyzing the FTIR spectra carefully, it was found that the presence of lignin decreased the yield of 2-furaldehyde and C=O containing compounds. The existence of hemicellulose intensively decreased the yield of levoglucosan, and largely promoted the formation of hydroxyacetaldehyde. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：213 / 218
页数：6
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