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An integrated study on the pyrolysis mecanism of peanut shell based on the kinetic analysis and solid/gas characterization
Tao, Wenmei1; Zhang, Peng1; Yang, Xingwei2; Li, Hao1; Liu, Yi1; Pan, Bo1
2021-06-01
发表期刊BIORESOURCE TECHNOLOGY
ISSN0960-8524
卷号329页码:9
通讯作者Pan, Bo(panbocai@gmail.com)
摘要An in-depth understanding of peanut shell pyrolysis reaction is essential for its efficient utilization. Detailed analysis of thermodynamics, kinetics, and reaction products can provide valuable information about pyrolysis reaction. In this work, pyrolytic reaction mechanism was elucidated with the analysis of thermogravimetric-mass spectrometry and the structural characterization of the derived biochar. The thermodynamic and kinetic parameters of three sub-stages were matched well in different model-free methods. The positive Delta H and Delta G values indicated that the pyrolysis reactions for three stages were endothermic and nonspontaneous. The reaction mechanism predicted by integral master-plots were F3 (f(alpha) = (1-alpha)(3)), F1 (f(alpha) = (1-alpha), and F3 (f(alpha) = (1-alpha)(3)) for the three sub-stages, respectively. The negative Delta S in the third stage was related to the reduced releasing of low-molecular weight gases and ordered graphite-like carbon structure. This study provides a prospective approach to understand the pyrolysis mechanism of biomass.
关键词Peanut shell Pyrolysis Kinetics Reaction mechanism TG-MS
DOI10.1016/j.biortech.2021.124860
收录类别SCI
语种英语
资助项目National Natural Scientific Foundation of China[41725016] ; National Natural Scientific Foundation of China[41961134002] ; National Natural Scientific Foundation of China[41977334] ; Yunnan Provincial Scientific Innovation Team of Soil Environment and Ecological Safety[2019HC008]
WOS研究方向Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
项目资助者National Natural Scientific Foundation of China ; Yunnan Provincial Scientific Innovation Team of Soil Environment and Ecological Safety
WOS类目Agricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS记录号WOS:000634859300013
出版者ELSEVIER SCI LTD
引用统计
被引频次:34[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/32898
专题中国科学院广州能源研究所
通讯作者Pan, Bo
作者单位1.Kunming Univ Sci & Technol, Fac Environm Sci & Engn, Yunnan Prov Key Lab Soil Carbon Sequestrat & Poll, Kunming 650500, Yunnan, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
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GB/T 7714
Tao, Wenmei,Zhang, Peng,Yang, Xingwei,et al. An integrated study on the pyrolysis mecanism of peanut shell based on the kinetic analysis and solid/gas characterization[J]. BIORESOURCE TECHNOLOGY,2021,329:9.
APA Tao, Wenmei,Zhang, Peng,Yang, Xingwei,Li, Hao,Liu, Yi,&Pan, Bo.(2021).An integrated study on the pyrolysis mecanism of peanut shell based on the kinetic analysis and solid/gas characterization.BIORESOURCE TECHNOLOGY,329,9.
MLA Tao, Wenmei,et al."An integrated study on the pyrolysis mecanism of peanut shell based on the kinetic analysis and solid/gas characterization".BIORESOURCE TECHNOLOGY 329(2021):9.
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