Pyrolysis kinetic analysis of the three pseudocomponents of biomass-cellulose, hemicellulose and lignin

被引：43
|
作者：
Chen, Tianju [1 ]
Li, Lingyue [1 ]
Zhao, Ruidong [1 ]
Wu, Jinhu [1 ]
机构：
[1] Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc, Key Lab Biofuels, 189 Songling Rd, Qingdao 266101, Peoples R China
来源：
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2017年 / 128卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Pyrolysis; Biomass; Kinetic analysis; Pseudocomponent; Sinusoidally modulated temperature method; BIO-OIL; ACTIVATION-ENERGIES; MODULATED THERMOGRAVIMETRY; LIGNOCELLULOSIC BIOMASS; STRAW PYROLYSIS; REACTION MODEL; DECOMPOSITION; TEMPERATURE; BIOCHAR; REACTOR;
D O I：
10.1007/s10973-016-6040-3
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The pyrolysis kinetic analysis of the three pseudocomponents of biomass, namely cellulose, hemicellulose and lignin, were investigated using a thermogravimetric (TG) analyzer. The multi-peaks method was used to fit the Gaussian distribution model of DTG curves. The activation energies of three pseudocomponents pyrolysis were evaluated using sinusoidally modulated temperature method. The results showed that the multi-peaks methods can fit the DTG curves of cellulose, hemicellulose and lignin successfully. There was only one reaction stage for the pyrolysis of cellulose and hemicelluloses. There were two reaction stages for the pyrolysis of lignin. The average E was 112.6, 162.8 and 156.8 kJ mol(-1) for cellulose, hemicellulose and lignin, respectively.
引用
收藏
页码：1825 / 1832
页数：8
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