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Reactivity of pulverized coals during combustion catalyzed by CeO2 and Fe2O3
Gong, Xuzhong1,2; Guo, Zhancheng1,3; Wang, Zhi1; Guo, ZC
2010-02-01
Source PublicationCOMBUSTION AND FLAME
ISSN0010-2180
Volume157Issue:2Pages:351-356
AbstractEffects of CeO2 and Fe2O3 on combustion reactivity of several fuels, including three ranks of coals, graphite and anthracite chars, were investigated using thermo-gravimetric analyzer. The results indicated that the combustion reactivity of all the samples except lignite was improved with CeO2 or Fe2O3 addition. It was interesting to note that the ignition temperatures of anthracite were decreased by 50 degrees C and 53 degrees C, respectively, with CeO2 and Fe2O3 addition and that its combustion rates were increased to 15.4%/min and 12.2%/min. Ignition temperatures of lignite with CeO2 and Fe2O3 addition were 250 degrees C and 226 degrees C, and the combustion rates were 12.8% and 19.3%/min, respectively. When compared with those of lignite without catalysts, no obvious catalytic effects of the two catalysts on its combustion reactivity were revealed. The results from the combustion of the three rank pulverized coals catalyzed by CeO2 and Fe2O3 indicated significant effects of the two catalysts on fixed carbon combustion. And it was found that the higher the fuel rank, the better the catalytic effect. The results of combustion from two kinds of anthracite chars showed obvious effects of anthracite pyrolysis catalyzed by CeO2 and Fe2O3 on its combustion reactivity. (C) 2009 The Combustion Institute. Published by Elsevier Inc. All rights reserved.
KeywordIgnition Temperature Combustion Rate Catalytic Combustion Reactivity
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.combustflame.2009.06.025
Indexed BySCI
Language英语
WOS KeywordENTRAINED FLOW REACTOR ; IGNITION TEMPERATURE ; PARTICLES ; PYROLYSIS ; LIGNITE ; CARBON ; ACTIVATION ; OXIDATION ; CATIONS ; OXIDES
WOS Research AreaThermodynamics ; Energy & Fuels ; Engineering
WOS SubjectThermodynamics ; Energy & Fuels ; Engineering, Multidisciplinary ; Engineering, Chemical ; Engineering, Mechanical
WOS IDWOS:000273702400015
Citation statistics
Cited Times:62[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/6215
Collection多相复杂系统国家重点实验室
Corresponding AuthorGuo, ZC
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing, Peoples R China
2.Chinese Acad Sci, China Grad Univ, Beijing, Peoples R China
3.Univ Sci & Technol Beijing, Key Lab Ecol & Recycle Met, Beijing 100083, Peoples R China
Recommended Citation
GB/T 7714
Gong, Xuzhong,Guo, Zhancheng,Wang, Zhi,et al. Reactivity of pulverized coals during combustion catalyzed by CeO2 and Fe2O3[J]. COMBUSTION AND FLAME,2010,157(2):351-356.
APA Gong, Xuzhong,Guo, Zhancheng,Wang, Zhi,&Guo, ZC.(2010).Reactivity of pulverized coals during combustion catalyzed by CeO2 and Fe2O3.COMBUSTION AND FLAME,157(2),351-356.
MLA Gong, Xuzhong,et al."Reactivity of pulverized coals during combustion catalyzed by CeO2 and Fe2O3".COMBUSTION AND FLAME 157.2(2010):351-356.
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