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Chemical looping gasification of biomass char using iron ore as an oxygen carrier
Huang, Zhen1,2,3,4; Zhang, Yan5; Fu, Jinjun5; Yu, Lihong5; Chen, Ming3; Liu, Shuai1,4; He, Fang1,4; Chen, Dezhen3; Wei, Guoqiang1,4; Zhao, Kun1,4; Zheng, Anqing1,4; Zhao, Zengli1,4; Li, Haibin1,4
2016-10-26
Source PublicationINTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume41Issue:40Pages:17871-17883
AbstractChemical looping gasification (CLG), employing the oxygen carriers to replace the gasification agents for solid fuels gasification, is viewed as a promising gasification technology thanks to its low cost for producing high quality synthesis gas. In the present work, natural iron ore is applied as an oxygen carrier for CLG of biomass char in a fixed-bed reactor. The Redox reactions between biomass char and iron ore can occur even under inert atmosphere, but the char conversion is low due to inadequate contact of solid-solid phases, resulting in a low reaction rate. In order to improve the char conversion rate, mixture of steam and iron ore is used as gasification agent in the CLG of biomass char. An optimal mass ratio of oxygen carrier to biomass char and a suitable amount of steam addition are determined. It is observed that biomass char gasification with the mixture of iron ore and steam increases the carbon conversion by 80%, and attains three times gas yield as much as the char gasification with individual iron ore. The cyclic performance of iron ore is also discussed. The carbon conversion and gas yield shows a mild downtrend with the increase of cycle numbers due to a slight decrease of specific surface area of oxygen carrier, caused by the thermal sintering and ash deposition. However, iron ore still maintains a satisfactory reactivity after 20 cycles (similar to 52 h), indicating that it is a good oxygen carrier candidate for char gasification. (C) 2016 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordBiomass Char Chemical Looping Gasification (Clg) Iron Ore Oxygen Carrier Cyclic Performance
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.ijhydene.2016.07.089
WOS Subject ExtendedChemistry ; Electrochemistry ; Energy & Fuels
WOS KeywordSYNTHESIS GAS-PRODUCTION ; FLUIDIZED-BED ; SOLID FUELS ; NATURAL HEMATITE ; PILOT-SCALE ; HYDROGEN-PRODUCTION ; COMBUSTION ; COAL ; STEAM ; OPERATION
Indexed BySCI
Language英语
Funding OrganizationNational Natural Science Foundation of China(51406214 ; Natural Science Foundation of Guangdong Province(2015A030313719) ; Science & Technology Research Project of Guangdong Province(2013B050800008 ; Foundations of Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education(2015005) ; 51406208) ; 2015A010106009)
WOS SubjectChemistry, Physical ; Electrochemistry ; Energy & Fuels
WOS IDWOS:000384852200013
Citation statistics
Cited Times:37[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/13955
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Beijing 100864, Peoples R China
2.Southeast Univ, Minist Educ, Key Lab Energy Thermal Convers & Control, Nanjing, Jiangsu, Peoples R China
3.Tongji Univ, Thermal & Environm Engn Inst, Shanghai, Peoples R China
4.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangdong Key Lab New & Renewable Energy Res & De, Beijing, Peoples R China
5.Coal Slurry Gasificat & Coal Chem Ind Ltd, Yankuang Natl Engn Res Ctr NERC, Beijing, Peoples R China
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Huang, Zhen,Zhang, Yan,Fu, Jinjun,et al. Chemical looping gasification of biomass char using iron ore as an oxygen carrier[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2016,41(40):17871-17883.
APA Huang, Zhen.,Zhang, Yan.,Fu, Jinjun.,Yu, Lihong.,Chen, Ming.,...&Li, Haibin.(2016).Chemical looping gasification of biomass char using iron ore as an oxygen carrier.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,41(40),17871-17883.
MLA Huang, Zhen,et al."Chemical looping gasification of biomass char using iron ore as an oxygen carrier".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 41.40(2016):17871-17883.
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