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Thermodynamic analysis and kinetic investigations on biomass char chemical looping gasification using Fe-Ni bimetallic oxygen carrier
Huang, Zhen1; Deng, Zhengbing2,3,4; Chen, Dezhen1; He, Fang2,3; Liu, Shuai5; Zhao, Kun2,3; Wei, Guoqiang2,3; Zheng, Anqing2,3; Zhao, Zengli2,3; Li, Haibin2,3
2017-12-15
发表期刊ENERGY
ISSN0360-5442
卷号141页码:1836-1844
通讯作者Chen, Dezhen(chendezhen@tongji.edu.cn)
摘要Chemical looping gasification (CLG) is viewed as a novel and promising gasification technology because it can produce high quality syngas with low cost. In this work, a highly active Fe-Ni bimetallic oxide (NiFe2O4) was used as an oxygen carrier (OC) to promote biomass char conversion and the kinetic model of char reacting with OC was focused on to guide the active design of OC. A suitable ratio of OC to char is determined at 0.30 for obtaining the maximum gasification efficiency according to the thermodynamic analysis. NiFe2O4 produced by sol-gel method shows the highest reactivity among the four OC candidates that prepared with different methods through thermogravimetric-mass spectrum (TG-MS) analysis. Non-isothermal experiments were carried out to obtain the kinetic model of OC reduction by char, founding that the activation energy of redox reaction gradually increases with conversion ratio (alpha) and the kinetic mechanism can be described by the random nucleation and subsequent growth model and chemical reaction model respectively before and after alpha passes 0.5. The alpha value is generally less than 0.5 to avoid excessive reduction of OC, indicating that the redox reaction should conform to the random nucleation and subsequent growth model to avoid the sintering and agglomeration of OC. (C) 2017 Elsevier Ltd. All rights reserved.
关键词Chemical looping gasification (CLG) Kinetic analysis Biomass char Oxygen carrier (OC) NiFe2O4
DOI10.1016/j.energy.2017.11.127
关键词[WOS]SYNTHESIS GAS-PRODUCTION ; NATURAL HEMATITE ; FLUIDIZED-BED ; IRON-OXIDE ; COMBUSTION ; COAL ; REDUCTION ; METHANE ; ORE ; REACTIVITY
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China[51406214] ; National Natural Science Foundation of China[51406208] ; Natural Science Foundation of Guangdong Province[2015A030313719] ; Science & Technology Research Project of Guangdong Province[2013B050800008] ; Science & Technology Research Project of Guangdong Province[2015A010106009] ; Foundations of State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization[CNMRCUKF1508] ; Foundations of Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education[2015005]
WOS研究方向Thermodynamics ; Energy & Fuels
项目资助者National Natural Science Foundation of China ; Natural Science Foundation of Guangdong Province ; Science & Technology Research Project of Guangdong Province ; Foundations of State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization ; Foundations of Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education
WOS类目Thermodynamics ; Energy & Fuels
WOS记录号WOS:000423249200041
出版者PERGAMON-ELSEVIER SCIENCE LTD
引用统计
被引频次:69[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/344007/23514
专题中国科学院广州能源研究所
通讯作者Chen, Dezhen
作者单位1.Tongji Univ, Thermal & Environm Engn Inst, Shanghai 201804, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
3.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangdong Key Lab New & Renewable Energy Res & De, Guangzhou 510640, Guangdong, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Anhui Univ, Coll Chem & Chem Engn, Hefei 230601, Anhui, Peoples R China
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Huang, Zhen,Deng, Zhengbing,Chen, Dezhen,et al. Thermodynamic analysis and kinetic investigations on biomass char chemical looping gasification using Fe-Ni bimetallic oxygen carrier[J]. ENERGY,2017,141:1836-1844.
APA Huang, Zhen.,Deng, Zhengbing.,Chen, Dezhen.,He, Fang.,Liu, Shuai.,...&Li, Haibin.(2017).Thermodynamic analysis and kinetic investigations on biomass char chemical looping gasification using Fe-Ni bimetallic oxygen carrier.ENERGY,141,1836-1844.
MLA Huang, Zhen,et al."Thermodynamic analysis and kinetic investigations on biomass char chemical looping gasification using Fe-Ni bimetallic oxygen carrier".ENERGY 141(2017):1836-1844.
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