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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
关键词Hydrogen Ethanol Steam Reforming Ir/ceo(2) Catalyst Pro(x)-doping Stability
刊名INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
2011-10-01
DOI10.1016/j.ijhydene.2011.07.091
36期:21页:13566-13574
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Electrochemistry ; Energy & Fuels
研究领域[WOS]Chemistry ; Electrochemistry ; Energy & Fuels
关键词[WOS]OXYGEN STORAGE CAPACITY ; SOLID-SOLUTIONS ; MIXED OXIDES ; BIO-ETHANOL ; CERIA ; CE ; OXIDATION ; EFFICIENT ; SUPPORTS ; SURFACE
英文摘要We 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.
语种英语
WOS记录号WOS:000296208800025
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/142712
专题中国科学院大连化学物理研究所
作者单位1.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
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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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