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The lignin pyrolysis composition and pyrolysis products of palm kernel shell, wheat straw, and pine sawdust
Chang, Guozhang1,2; Huang, Yanqin1; Xie, Jianjun1; Yang, Huikai1,3; Liu, Huacai1; Yin, Xiuli1; Wu, Chuangzhi1
2016-09-15
Source PublicationENERGY CONVERSION AND MANAGEMENT
Volume124Pages:587-597
AbstractThe lignin monomer composition of palm kernel shell (PKS) was characterized using pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS), and the characteristics and distributions of products obtained from PKS pyrolysis were investigated using Py-GC/MS, GC, and a specially designed pyrolysis apparatus. The gasification reactivity of PKS biochar was also characterized using thermogravimetry (TG) and Raman spectroscopy. All the results were compared with those obtained from wheat straw (WS) and pine sawdust (PS). The results showed that PKS lignin is primarily composed of p-hydroxyphenyl structural units, while WS and PS lignins are mainly made up of guaiacyl units. Both the mass and energy yields of non-condensable gases from PKS pyrolysis were lower than those obtained from WS and PS pyrolysis at 650-850 degrees C, owing to the lower volatile content (75.21%) and lack of methoxy groups in PKS. Compared with WS and PS, higher bio-oil productivity was observed during PKS pyrolysis. Phenols were the main component of PKS bio-oil from pyrolysis at 500 degrees C, and the phenol content of PKS bio-oil (13.49%) was higher than in WS bio-oil (1.62%) and PS bio-oil (0.55%). A higher yield of biochar (on an ash-free basis) was also obtained from PKS pyrolysis. Because of its greater relative degree of ordered carbon, PKS biochar exhibited lower in situ reactivity during CO2 or H2O gasification than WS and PS biochars. A longer residence time and addition of steam were found to be beneficial during PKS biochar gasification. (C) 2016 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordPalm Kernel Shell Lignin Py-gc/ms Pyrolysis Gasification Reactivity
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.enconman.2016.07.03
WOS Subject ExtendedThermodynamics ; Energy & Fuels ; Mechanics ; Physics
WOS KeywordOIL WASTE PYROLYSIS ; FIXED-BED REACTOR ; BIO-OIL ; THERMOGRAVIMETRIC ANALYSIS ; CARBON NANOTUBES ; POPLAR WOOD ; TG-FTIR ; CHAR ; GASIFICATION ; RESIDUES
Indexed BySCI
Language英语
Funding OrganizationNational Natural Science Foundation of China(51106164 ; 51306193)
WOS SubjectThermodynamics ; Energy & Fuels ; Mechanics ; Physics, Nuclear
WOS IDWOS:000382794100052
Citation statistics
Cited Times:21[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/11906
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, CAS Key Lab Renewable Energy, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Univ Sci & Technol China, Dept Chem, Sch Chem & Mat Sci, Hefei 230026, Anhui, Peoples R China
Recommended Citation
GB/T 7714
Chang, Guozhang,Huang, Yanqin,Xie, Jianjun,et al. The lignin pyrolysis composition and pyrolysis products of palm kernel shell, wheat straw, and pine sawdust[J]. ENERGY CONVERSION AND MANAGEMENT,2016,124:587-597.
APA Chang, Guozhang.,Huang, Yanqin.,Xie, Jianjun.,Yang, Huikai.,Liu, Huacai.,...&Wu, Chuangzhi.(2016).The lignin pyrolysis composition and pyrolysis products of palm kernel shell, wheat straw, and pine sawdust.ENERGY CONVERSION AND MANAGEMENT,124,587-597.
MLA Chang, Guozhang,et al."The lignin pyrolysis composition and pyrolysis products of palm kernel shell, wheat straw, and pine sawdust".ENERGY CONVERSION AND MANAGEMENT 124(2016):587-597.
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