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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
Source PublicationJOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
Volume108Pages:295-300
AbstractIndustrial 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.
SubtypeArticle
KeywordLignin Pyrolysis Zeolite Catalyst Kinetics Aromatic
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.jaap.2014.04.002
WOS Subject ExtendedChemistry ; Spectroscopy
WOS KeywordTHERMOGRAVIMETRY MASS-SPECTROMETRY ; THERMAL-DECOMPOSITION ; KRAFT LIGNIN ; WOOD LIGNIN ; BIOMASS ; COMPONENTS ; CONVERSION ; OIL
Indexed BySCI
Language英语
WOS SubjectChemistry, Analytical ; Spectroscopy
WOS IDWOS:000339598900034
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10651
Collection中国科学院广州能源研究所
AffiliationChinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy & Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
Recommended Citation
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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