Novel investigation of pyrolysis mechanisms and kinetics for functional groups in biomass matrix
Liu, Ruijia1,2; Liu, Guijian1,2; Yousaf, Balal1,2; Niu, Zhiyuan1; Abbas, Qumber1
通讯作者Liu, Guijian(lgj@ustc.edu.cn)
2022
发表期刊RENEWABLE & SUSTAINABLE ENERGY REVIEWS
ISSN1364-0321
卷号153页码:12
摘要Biomass, as a renewable and sustainable energy resource, can be converted into environmentally friendly and practically valuable biofuels and chemical materials via pyrolysis. However, the process optimization and pyrolysis efficiency are restricted by the limited perception of the complicated mechanisms and kinetics for biomass pyrolysis. Here, to establish an in-depth mechanism model for biomass pyrolysis, we presented a novel investigation for the thermal evolutions and pyrolysis kinetics of the functional groups in peanut shell matrix by using in-situ Fourier transform infrared spectrometry (in-situ FTIR) and thermogravimetric analysis-Fourier transform infrared spectrometry-mass spectrometry (TG-FTIR-MS). The in-situ FTIR spectrum deconvolution for the solid matrix was innovatively introduced to identify and quantify the real-time evolution and thermal dynamics of the functional groups during peanut shell pyrolysis. The result for the first time proposed that the pyrolysis mechanisms of total OH at 20-380 degrees C, aliphatic C-H-n groups at 20-500 degrees C, C=O groups at 260-500 degrees C, and C-O groups at 300-500 degrees C were dominant by diffusion and order-based chemical reactions. The TG-FTIR-MS analysis was conducted for the online monitoring of the released volatiles and gases, the amounts of which were in the sequence of C=O > CO2 > aliphatic C-O-(H) > C-O-(C) in esters > aromatics > H2O > phenolic hydroxyl > aliphatic hydrocarbons > CO. The study established a novel methodology to evaluate the biomass pyrolysis mechanisms at the molecular level, which provided valuable information for developing advanced pyrolysis techniques on a large scale for sustainable ecosystem.
关键词Peanut shell In-situ FTIR Deconvolution Pyrolysis mechanism Kinetic models Functional groups
DOI10.1016/j.rser.2021.111761
关键词[WOS]IN-SITU FTIR ; LIGNOCELLULOSIC BIOMASS ; THERMOCHEMICAL CONVERSION ; AGRICULTURAL RESIDUE ; CELLULOSE ; PARAMETERS ; LIGNIN ; MODEL ; WASTE ; THERMODYNAMICS
收录类别SCI ; SCI
语种英语
资助项目National Natural Science Foundation of China[41672144] ; Key research and development projects of Anhui Province[1804b06020358]
WOS研究方向Science & Technology - Other Topics ; Energy & Fuels
项目资助者National Natural Science Foundation of China ; Key research and development projects of Anhui Province
WOS类目Green & Sustainable Science & Technology ; Energy & Fuels
WOS记录号WOS:000714452600003
出版者PERGAMON-ELSEVIER SCIENCE LTD
引用统计
被引频次:32[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/17196
专题黄土与第四纪地质国家重点实验室(2010~)
通讯作者Liu, Guijian
作者单位1.Univ Sci & Technol China, Sch Earth & Space Sci, CAS Key Lab Crust Mantle Mat & Environm, Hefei 230026, Peoples R China
2.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710075, Shaanxi, Peoples R China
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Liu, Ruijia,Liu, Guijian,Yousaf, Balal,et al. Novel investigation of pyrolysis mechanisms and kinetics for functional groups in biomass matrix[J]. RENEWABLE & SUSTAINABLE ENERGY REVIEWS,2022,153:12.
APA Liu, Ruijia,Liu, Guijian,Yousaf, Balal,Niu, Zhiyuan,&Abbas, Qumber.(2022).Novel investigation of pyrolysis mechanisms and kinetics for functional groups in biomass matrix.RENEWABLE & SUSTAINABLE ENERGY REVIEWS,153,12.
MLA Liu, Ruijia,et al."Novel investigation of pyrolysis mechanisms and kinetics for functional groups in biomass matrix".RENEWABLE & SUSTAINABLE ENERGY REVIEWS 153(2022):12.
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