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Hydrogen production from ethanol steam reforming over Ir/CeO(2) catalysts: Enhanced stability by PrO(x) promotion
Wang, Fagen1,2; Cai, Weijie1; Provendier, Helene2; Schuurman, Yves2; Descorme, Claude2; Mirodatos, Claude2; Shen, Wenjie1
KeywordHydrogen Ethanol Steam Reforming Ir/ceo(2) Catalyst Pro(x)-doping Stability
Source PublicationINTERNATIONAL JOURNAL OF HYDROGEN ENERGY
2011-10-01
DOI10.1016/j.ijhydene.2011.07.091
Volume36Issue:21Pages:13566-13574
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Physical ; Electrochemistry ; Energy & Fuels
WOS Research AreaChemistry ; Electrochemistry ; Energy & Fuels
WOS KeywordOXYGEN STORAGE CAPACITY ; SOLID-SOLUTIONS ; MIXED OXIDES ; BIO-ETHANOL ; CERIA ; CE ; OXIDATION ; EFFICIENT ; SUPPORTS ; SURFACE
AbstractWe studied ethanol steam reforming over Ir/Ce(0.9)Pr(0.1)O(2) and Ir/CeO(2) catalysts comparatively with respect to activity and stability. We found that PrO(x)-doping have significantly promoted the oxygen storage capacity and thermal stability of the catalysts by incorporation into the ceria lattice. Ethanol was readily converted to hydrogen, methane and carbon oxides at 773 K over the Ir/Ce(0.9)Pr(0.1)O(2) catalyst, and this is 100 K lower than that found for the Ir/CeO(2) catalyst. Moreover, the PrO(x)-doped catalyst was stable toward ethanol steam reforming at 923 K for 300 h without an apparent variation in ethanol conversion and product distribution. However, the severe aggregation of ceria particles and heavy coke deposition were observed on the Ir/CeO(2) catalyst, resulting in remarkable deactivation under the same reaction conditions. Copyright (C) 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
Language英语
WOS IDWOS:000296208800025
Citation statistics
Cited Times:40[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/142712
Collection中国科学院大连化学物理研究所
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Univ Lyon 1, Inst Rech Catalyse & Environm Lyon, IRCELYON, CNRS,UMR 5256, F-69626 Villeurbanne, France
Recommended Citation
GB/T 7714
Wang, Fagen,Cai, Weijie,Provendier, Helene,et al. Hydrogen production from ethanol steam reforming over Ir/CeO(2) catalysts: Enhanced stability by PrO(x) promotion[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2011,36(21):13566-13574.
APA Wang, Fagen.,Cai, Weijie.,Provendier, Helene.,Schuurman, Yves.,Descorme, Claude.,...&Shen, Wenjie.(2011).Hydrogen production from ethanol steam reforming over Ir/CeO(2) catalysts: Enhanced stability by PrO(x) promotion.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,36(21),13566-13574.
MLA Wang, Fagen,et al."Hydrogen production from ethanol steam reforming over Ir/CeO(2) catalysts: Enhanced stability by PrO(x) promotion".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 36.21(2011):13566-13574.
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