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Reactivity investigation on chemical looping gasification of biomass char using nickel ferrite oxygen carrier
Huang, Zhen1,2,3,4,5; Deng, Zhengbing1,2; He, Fang1,2; Chen, Dezhen3; Wei, Guoqiang1,2; Zhao, Kun1,2; Zheng, Anqing1,2; Zhao, Zengli1,2; Li, Haibin1,2
2017-05-25
发表期刊INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷号42期号:21页码:14458-14470
摘要Chemical looping gasification (CLG) involves the use of an oxygen carrier (OC) which transfers oxygen from air to solid fuel to convert the fuel into synthesis gas, and the traditional gasifying agents such as oxygen-enriched air or high temperature steam are avoided. In order to improve the reactivity of OC with biomass char, facilitating biomass high-efficiency conversion, a compound Fe/Ni bimetallic oxide (NiFe2O4) was used as an OC in the present work. Effect of OC content and oxygen sources on char gasification were firstly investigated through a TG reactor. When the OC content in mixture sample attains 65 wt.%, the sample shows the maximum weight loss rate at relatively low temperature, indicating that it is very favorable for the redox reactions between OC and biomass char. The NiFe2O4 OC exhibits a good performance for char gasification, which is obvious higher than that of individual Fe2O3 OC and mechanically mixed Fe2O3 + NiO OC due to the Fe/Ni synergistic effect in unique spinel structure. According to the TGA experimental results, effect of the steam content and cyclic numbers on char gasification were investigated in a fixed bed reactor. Either too low steam content or too high steam content doesn't facilitate the char gasification. And suitable steam content of 56.33% is determined with maximum carbon conversion of 88.12% and synthesis gas yield of 2.58 L/g char. The reactivity of NiFe2O4 OC particles shows a downtrend within 20 cycles (similar to 64 h) due to the formation of Fe2O3 phase, which is derived from the iron element divorced from the Fe/Ni spinel structure. Secondly, the sintering of OC particles and ash deposit on the surface are also the reasons for the deactivation of NiFe2O4 OC. However, the carbon conversion and synthesis gas yield at the 20th cycle are still higher than those of the blank experiment. It indicates that the reactivity of NiFe2O4 OC can be maintained at a relatively long time and NiFe2O4 material can be used as a good OC candidate for char gasification in the long time running. (C) 2017 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
文章类型Article
关键词Chemical Looping Gasification (Clg) Oxygen Carrier (Oc) Biomass Char Nickel Ferrite (Nife2o4) Redox Properties
WOS标题词Science & Technology ; Physical Sciences ; Technology
资助者National Natural Science Foundation of China(51406214 ; Natural Science Foundation of Guangdong Province(2015A030313719) ; Science & Technology Research Project of Guangdong Province(2013B050800008 ; 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(2015005) ; 51406208) ; 2015A010106009) ; National Natural Science Foundation of China(51406214 ; Natural Science Foundation of Guangdong Province(2015A030313719) ; Science & Technology Research Project of Guangdong Province(2013B050800008 ; 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(2015005) ; 51406208) ; 2015A010106009)
DOI10.1016/j.ijhydene.2017.04.246
研究领域[WOS]Chemistry ; Electrochemistry ; Energy & Fuels
关键词[WOS]SYNTHESIS GAS-PRODUCTION ; FLUIDIZED-BED REACTOR ; HYDROGEN-RICH GAS ; STEAM GASIFICATION ; NATURAL HEMATITE ; IRON-OXIDE ; SHIFT REACTION ; CO2 CAPTURE ; COMBUSTION ; ORE
收录类别SCI
语种英语
资助者National Natural Science Foundation of China(51406214 ; Natural Science Foundation of Guangdong Province(2015A030313719) ; Science & Technology Research Project of Guangdong Province(2013B050800008 ; 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(2015005) ; 51406208) ; 2015A010106009) ; National Natural Science Foundation of China(51406214 ; Natural Science Foundation of Guangdong Province(2015A030313719) ; Science & Technology Research Project of Guangdong Province(2013B050800008 ; 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(2015005) ; 51406208) ; 2015A010106009)
WOS类目Chemistry, Physical ; Electrochemistry ; Energy & Fuels
WOS记录号WOS:000403514600011
引用统计
被引频次:5[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/344007/14153
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Beijing, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangdong Key Lab New & Renewable Energy Res & De, Beijing, Peoples R China
3.Tongji Univ, Thermal & Environm Engn Inst, Shanghai, Peoples R China
4.Kunming Univ Sci & Technol, State Key Lab Complex Nonferrous Met Resources Cl, Kunming, Peoples R China
5.Southeast Univ, Key Lab Energy Thermal Convers & Control, Minist Educ, Nanjing, Jiangsu, Peoples R China
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Huang, Zhen,Deng, Zhengbing,He, Fang,et al. Reactivity investigation on chemical looping gasification of biomass char using nickel ferrite oxygen carrier[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2017,42(21):14458-14470.
APA Huang, Zhen.,Deng, Zhengbing.,He, Fang.,Chen, Dezhen.,Wei, Guoqiang.,...&Li, Haibin.(2017).Reactivity investigation on chemical looping gasification of biomass char using nickel ferrite oxygen carrier.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,42(21),14458-14470.
MLA Huang, Zhen,et al."Reactivity investigation on chemical looping gasification of biomass char using nickel ferrite oxygen carrier".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 42.21(2017):14458-14470.
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