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Pyrolysis and catalytic pyrolysis of industrial lignins by TG-FTIR: Kinetics and products
Li, Bosong; Lv, Wei; Zhang, Qi; Wang, Tiejun; Ma, Longlong
2014-07-01
发表期刊JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
卷号108页码:295-300
摘要Industrial lignins are by-products of the pulp and paper industry and generally used as a low-grade fuel. In this study, pyrolysis and catalytic pyrolysis (using HZSM-5, an aluminosilicate zeolite) of sodium lignosulfonate (SL) were carried out in a coupling of thermogravimetric analysis and Fourier transform infrared spectroscopy (TG-FTIR) using nitrogen. The reaction temperature was increased from 30 to 650 C, while the heating rates were varied from 10 to 40 degrees C/min. The pyrolysis process could be divided into three parts. Kissinger's method had been used to carry out dynamics calculation concerning pyrolysis of SL in main pyrolysis. The kinetic parameters and reaction orders in the three pyrolysis stage were gained. The generated products for SL pyrolysis were water, CO, CO2, aromatics, alkenes and alkyls. The catalytic effect of HZSM-5 is obvious. It inhibited char formation of SL pyrolysis, and promoted the degradation of high molecular weight compounds to low molecular weight compounds, promoted cracking reactions of oxygenated products. (C) 2014 Elsevier B.V. All rights reserved.
文章类型Article
关键词Lignin Pyrolysis Zeolite Catalyst Kinetics Aromatic
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/j.jaap.2014.04.002
研究领域[WOS]Chemistry ; Spectroscopy
关键词[WOS]THERMOGRAVIMETRY MASS-SPECTROMETRY ; THERMAL-DECOMPOSITION ; KRAFT LIGNIN ; WOOD LIGNIN ; BIOMASS ; COMPONENTS ; CONVERSION ; OIL
收录类别SCI
语种英语
WOS类目Chemistry, Analytical ; Spectroscopy
WOS记录号WOS:000339598900034
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10651
专题中国科学院广州能源研究所
作者单位Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy & Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
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GB/T 7714
Li, Bosong,Lv, Wei,Zhang, Qi,et al. Pyrolysis and catalytic pyrolysis of industrial lignins by TG-FTIR: Kinetics and products[J]. JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS,2014,108:295-300.
APA Li, Bosong,Lv, Wei,Zhang, Qi,Wang, Tiejun,&Ma, Longlong.(2014).Pyrolysis and catalytic pyrolysis of industrial lignins by TG-FTIR: Kinetics and products.JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS,108,295-300.
MLA Li, Bosong,et al."Pyrolysis and catalytic pyrolysis of industrial lignins by TG-FTIR: Kinetics and products".JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS 108(2014):295-300.
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