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Minimizing tar formation whilst enhancing syngas production by integrating biomass torrefaction pretreatment with chemical looping gasification

文献类型：期刊论文

作者Fan, Yuyang1,3,4,5; Tippayawong, Nakorn2; Wei, Guoqiang1,4,5; Huang, Zhen1,4,5; Zhao, Kun1,4,5; Jiang, Liqun1,4,5; Zheng, Anqing1,4,5; Zhao, Zengli1,4,5; Li, Haibin1,4,5
刊名APPLIED ENERGY
出版日期2020-02-15
卷号260页码:11
关键词Biomass Torrefaction Chemical looping gasification Tar formation mechanism Syngas
ISSN号0306-2619
DOI10.1016/j.apenergy.2019.114315
通讯作者Zheng, Anqing(zhengaq@ms.giec.ac.cn)
英文摘要The objective of this study is to investigate the effect of torrefaction pretreatment on the syngas production and tar formation from chemical looping gasification (CLG) of biomass over different oxygen carriers. The torrefaction of eucalyptus wood and subsequent CLG were systematically studied by using the fixed bed reactors coupling with various analytical methods. The experimental results demonstrate that torrefaction played significant impacts on CLG of eucalyptus wood using iron ore as an oxygen carrier. The gas yield and carbon conversion efficiency from CLG of eucalyptus wood were lowered by torrefaction, while the tar content was evidently reduced from 43.6 to 17.6 g/Nm(3). These results could be due to the devolatilization, polycondensation, and carbonization of eucalyptus wood during torrefaction, resulting in the formation of fewer tar precursors and more char with lower reactivity during subsequent CLG. The negative impacts of torrefaction on the gas yield and carbon conversion efficiency of CLG can be effectively overcome by the selection of suitable oxygen carriers. Five metallic ferrites were successfully synthesized and used to replace iron ore for CLG of torrefied eucalyptus wood obtained at 280 degrees C. It is found that NiFe2O4 reduced the tar content by 88.8% and improved the gas yield by 27.5% compared to CLG of untreated eucalyptus wood over iron ore. These results suggest that integrating biomass torrefaction pretreatment with CLG is an efficient strategy for enhancing syngas production whilst minimizing tar formation.
WOS关键词OXYGEN CARRIERS ; NATURAL HEMATITE ; PYROLYSIS ; COMBUSTION ; HEMICELLULOSE ; CONVERSION ; MECHANISM ; SELECTION ; IMPACT ; GAS
资助项目National Natural Science Foundation of China[51776209] ; National Natural Science Foundation of China[51876208] ; National Natural Science Foundation of China[51606204] ; National Natural Science Foundation of China[51661145011] ; Science and Technology Planning Project of Guangdong Province[2015A020215024] ; Youth Innovation Promotion Association, CAS[2018383] ; Pearl River S&T Nova Program of Guangzhou[201806010061]
WOS研究方向Energy & Fuels ; Engineering
语种英语
WOS记录号WOS:000515108700084
出版者ELSEVIER SCI LTD
资助机构National Natural Science Foundation of China ; Science and Technology Planning Project of Guangdong Province ; Youth Innovation Promotion Association, CAS ; Pearl River S&T Nova Program of Guangzhou
源URL[http://ir.giec.ac.cn/handle/344007/26765]  
专题中国科学院广州能源研究所
通讯作者Zheng, Anqing
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
2.Chiang Mai Univ, Dept Mech Engn, Chiang Mai 50200, Thailand
3.Southeast Univ, Sch Energy & Environm, Nanjing 210096, Peoples R China
4.Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou 510640, Peoples R China
5.CAS Key Lab Renewable Energy, Guangzhou 510640, Peoples R China
推荐引用方式
GB/T 7714		 Fan, Yuyang,Tippayawong, Nakorn,Wei, Guoqiang,et al. Minimizing tar formation whilst enhancing syngas production by integrating biomass torrefaction pretreatment with chemical looping gasification[J]. APPLIED ENERGY,2020,260:11.
APA Fan, Yuyang.,Tippayawong, Nakorn.,Wei, Guoqiang.,Huang, Zhen.,Zhao, Kun.,...&Li, Haibin.(2020).Minimizing tar formation whilst enhancing syngas production by integrating biomass torrefaction pretreatment with chemical looping gasification.APPLIED ENERGY,260,11.
MLA Fan, Yuyang,et al."Minimizing tar formation whilst enhancing syngas production by integrating biomass torrefaction pretreatment with chemical looping gasification".APPLIED ENERGY 260(2020):11.

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来源：广州能源研究所

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