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题名: High performance of la-promoted Fe2O3/-Al2O3 oxygen carrier for chemical looping combustion
作者: Tian, Ming1;  Wang, Chaojie1, 2;  Li, Lin1;  Wang, Xiaodong1
关键词: chemical looping combustion ;  oxygen carrier ;  iron oxide supported ;  La-hexaaluminates
刊名: AICHE JOURNAL
发表日期: 2017-07-01
DOI: 10.1002/aic.15634
卷: 63, 页:2827-2838
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Engineering, Chemical
研究领域[WOS]: Engineering
英文摘要: Iron oxide supported oxygen carrier (OC) is regarded to a promising candidate for chemical looping combustion (CLC). However, phase separation between Fe2O3 and supports often occurs resulted from the severe sintering of supports during calcination, which leads to the sintering and breakage of Fe2O3 thus the decrease of redox reactivity. In this article, La-promoted Fe2O3/-Al2O3 were used as OCs for CLC of CH4 and for the first time found that the OC with the addition of 18 wt % La exhibited outstanding reactivity and redox stability during 50 cycles of CLC of CH4. Such a superior performance originated from the formation of LaAl12O19 hexaaluminate (La-HA) phase with not only small particle size but also excellent thermal stability at CLC conditions, which worked as a binder to prevent the phase separation thereby the sintering and breakage of active species -Fe2O3 were avoided during reaction. (c) 2017 American Institute of Chemical Engineers AIChE J, 63: 2827-2838, 2017
关键词[WOS]: CARBON-DIOXIDE CAPTURE ;  IRON-OXIDE ;  HYDROGEN-PRODUCTION ;  CO2 CAPTURE ;  METHANE ;  FE2O3/AL2O3 ;  REDOX ;  REDUCTION ;  OXIDATION ;  SUPPORT
语种: 英语
WOS记录号: WOS:000402909600027
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/152239
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Tian, Ming,Wang, Chaojie,Li, Lin,et al. High performance of la-promoted Fe2O3/-Al2O3 oxygen carrier for chemical looping combustion[J]. AICHE JOURNAL,2017,63:2827-2838.
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