Uncovering Structure-Reactivity Relationships in Pyrolysis and Gasification of Biomass with Varying Severity of Torrefaction

doi:10.1021/acssuschemeng.7b04649

	Uncovering Structure-Reactivity Relationships in Pyrolysis and Gasification of Biomass with Varying Severity of Torrefaction
	Li, Luwei 3,4; Huang, Yuqian 1,2,4,5; Zhang, Dongyan 3,4; Zheng, Anqing 1,4,5; Zhao, Zengli 1,4,5; Xia, Mingzhu 3; Li, Haibin 1,4,5
刊名	ACS SUSTAINABLE CHEMISTRY & ENGINEERING
	2018-05-01
卷号	6 期号:5 页码:6008-6017
关键词	Torrefaction Pyrolysis reactivity Gasification reactivity Structure alterations
ISSN号	2168-0485
DOI	10.1021/acssuschemeng.7b04649
通讯作者	Zheng, Anqing(zhengaq@ms.giec.ac.cn) ; Xia, Mingzhu(863271491@qq.com)
英文摘要	The objective of this study is to establish the structure reactivity relationships in pyrolysis and gasification of biomass with varying severity of torrefaction. Pine was torrefied in a bench scale tubular reactor with varying torrefaction temperature (220-300 degrees C). The structural alterations in torrefied pine and its derived biochar were characterized by solid-state nuclear magnetic resonance spectroscopy (NMR) and Raman spectroscopy, respectively. The effect of torrefaction severity, as well as the resulting structural changes in pine, upon subsequent pyrolysis and gasification reactivity were systematically studied. The experimental results showed that the pyrolysis reactivity of pine was promoted by torrefaction, whereas the gasification reactivity of biochar derived from pine was reduced by torrefaction. The results were mainly attributed to the severe degradation, polycondensation, and carbonization of hemicellulose and lignin fractions during torrefaction of pine. The pyrolysis and gasification reactivity of torrefied pine was a strong linear function of its aromaticity or H/C molar ratio. Therefore, H/C molar ratio and aromaticity of pine were good indicators to quantitatively assess the structural alterations of pine during torrefaction and their impacts on the reactivity of subsequent pyrolysis and gasification. These findings provide a simple and efficient method to predict the pyrolysis and gasification reactivity of biomass with varying severity of torrefaction.
资助项目	Major International (Regional) Joint Research Project of the National Science Foundation of China[51661145011] ; National Natural Science Foundation of China[21406227] ; National Natural Science Foundation of China[51376186] ; National Natural Science Foundation of China[51776209] ; Natural Science Foundation of Guangdong Province, China[2014A030313672] ; Science and Technology Planning Project of Guangdong Province, China[2014B020216004] ; Science and Technology Planning Project of Guangdong Province, China[2015A020215024]
WOS关键词	LIQUID PRODUCTS ; COAL ; WOOD ; PRETREATMENT ; TEMPERATURE ; COMBUSTION ; BEHAVIOR ; CHARS ; YIELD ; HEMICELLULOSE
WOS研究方向	Chemistry ; Science & Technology - Other Topics ; Engineering
语种	英语
出版者	AMER CHEMICAL SOC
WOS记录号	WOS:000431927500039
资助机构	Major International (Regional) Joint Research Project of the National Science Foundation of China ; National Natural Science Foundation of China ; Natural Science Foundation of Guangdong Province, China ; Science and Technology Planning Project of Guangdong Province, China
内容类型	期刊论文
源URL	[http://ir.giec.ac.cn/handle/344007/23398]
专题	中国科学院广州能源研究所
通讯作者	Zheng, Anqing; Xia, Mingzhu
作者单位	1.CAS Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Nanjing Univ Sci & Technol, Sch Chem Engn, Nanjing 210094, Jiangsu, Peoples R China 4.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China 5.Guangdong Key Lab New & Renewable Energy Res & De, Guangzhou 510640, Guangdong, Peoples R China
推荐引用方式 GB/T 7714	Li, Luwei,Huang, Yuqian,Zhang, Dongyan,et al. Uncovering Structure-Reactivity Relationships in Pyrolysis and Gasification of Biomass with Varying Severity of Torrefaction[J]. ACS SUSTAINABLE CHEMISTRY & ENGINEERING,2018,6(5):6008-6017.
APA	Li, Luwei.,Huang, Yuqian.,Zhang, Dongyan.,Zheng, Anqing.,Zhao, Zengli.,...&Li, Haibin.(2018).Uncovering Structure-Reactivity Relationships in Pyrolysis and Gasification of Biomass with Varying Severity of Torrefaction.ACS SUSTAINABLE CHEMISTRY & ENGINEERING,6(5),6008-6017.
MLA	Li, Luwei,et al."Uncovering Structure-Reactivity Relationships in Pyrolysis and Gasification of Biomass with Varying Severity of Torrefaction".ACS SUSTAINABLE CHEMISTRY & ENGINEERING 6.5(2018):6008-6017.