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Perovskite-type LaFe1-xMnxO3 (x=0, 0.3, 0.5, 0.7, 1.0) oxygen carriers for chemical-looping steam methane reforming: Oxidation activity and resistance to carbon formation
Zhao, Kun1,2,3; He, Fang1; Huang, Zhen1; Wei, Guoqiang1; Zheng, Anqing1; Li, Haibin1; Zhao, Zengli1
2017-06-01
Source PublicationKOREAN JOURNAL OF CHEMICAL ENGINEERING
Volume34Issue:6Pages:1651-1660
AbstractThe effects of Mn substitution of LaMnxFe1-xO3 (x= 0, 0.3, 0.5, 0.7, 1.0) on the oxidation activity and resistance to carbon formation for chemical-looping steam methane reforming (CL-SMR) were investigated. The desired crystalline perovskite phases were formed by transferring from the orthorhombic structure of LaFeO3 to rhombohe-dral lattice of LaMnO3 as the degree of Mn-doping increased. Manganese ions have a mixed state of Mn3+ and Mn4+ in the LaFe1-xMnxO3, meanwhile inducing the states of highly mixed character of Fe2+, Fe3+ and Fe4+ in iron ions. Substitution of Mn for Fe with proper value not only increases the lattice oxygen, which is conducive to the partial oxidation of CH4 to produce syngas, but also enhances the lattice oxygen mobility from the bulk to the surface of the oxygen carrier particles. Judging from the points of the redox reactivity, resistance to carbon formation and hydrogen generation capacity, the optimal range of the degree of Mn substitution is x= 0.3-0.5.
SubtypeArticle
KeywordPerovskite Cl-smr Manganese Carbon Formation Hydrogen
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1007/s11814-016-0329-6
WOS Subject ExtendedChemistry ; Engineering
WOS KeywordLATTICE OXYGEN ; SYNTHESIS GAS ; LA1-XSRXMO3 M ; OXIDES ; MN ; COMBUSTION ; CONVERSION ; CATALYST ; LAFEO3 ; XPS
Indexed BySCI
Language英语
Funding OrganizationNational Natural Science Foundation of China(51406208 ; Science & Technology Research Project of Guangdong Province(2015A010106009) ; Key Laboratory of Renewable Energy, Chinese Academy of Sciences(Y607j51001) ; 51406214)
WOS SubjectChemistry, Multidisciplinary ; Engineering, Chemical
WOS IDWOS:000402766200007
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/14150
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangdong Key Lab New & Renewable Energy Res & De, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Southeast Univ, Minist Educ, Key Lab Energy Thermal Convers & Control, Nanjing 210096, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Zhao, Kun,He, Fang,Huang, Zhen,et al. Perovskite-type LaFe1-xMnxO3 (x=0, 0.3, 0.5, 0.7, 1.0) oxygen carriers for chemical-looping steam methane reforming: Oxidation activity and resistance to carbon formation[J]. KOREAN JOURNAL OF CHEMICAL ENGINEERING,2017,34(6):1651-1660.
APA Zhao, Kun.,He, Fang.,Huang, Zhen.,Wei, Guoqiang.,Zheng, Anqing.,...&Zhao, Zengli.(2017).Perovskite-type LaFe1-xMnxO3 (x=0, 0.3, 0.5, 0.7, 1.0) oxygen carriers for chemical-looping steam methane reforming: Oxidation activity and resistance to carbon formation.KOREAN JOURNAL OF CHEMICAL ENGINEERING,34(6),1651-1660.
MLA Zhao, Kun,et al."Perovskite-type LaFe1-xMnxO3 (x=0, 0.3, 0.5, 0.7, 1.0) oxygen carriers for chemical-looping steam methane reforming: Oxidation activity and resistance to carbon formation".KOREAN JOURNAL OF CHEMICAL ENGINEERING 34.6(2017):1651-1660.
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