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Autothermal reforming of methane over Rh/Ce0.5Zr0.5O2 catalyst: Effects of the crystal structure of the supports
Cao, Lei1,2; Pan, Liwei1; Ni, Changjun1; Yuan, Zhongshan1; Wang, Shudong1
关键词Methane Atr Rh/ce0.5zr0.5o2 Raman
刊名FUEL PROCESSING TECHNOLOGY
2010-03-01
DOI10.1016/j.fuproc.2009.11.001
91期:3页:306-312
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Applied ; Energy & Fuels ; Engineering, Chemical
研究领域[WOS]Chemistry ; Energy & Fuels ; Engineering
关键词[WOS]CEO2-ZRO2 MIXED OXIDES ; OXYGEN STORAGE CAPACITY ; SURFACE-AREA CATALYSTS ; HYDROGEN-PRODUCTION ; SOLID-SOLUTIONS ; REDOX BEHAVIOR ; PARTIAL OXIDATION ; PERFORMANCE ; CARBON ; CERIA
英文摘要Autothermal reforming of methane (ATR) was studied over Rh catalysts supported on Ce0.5Zr0.5O2 solid solution, which were synthesized by four different routes, including reverse micro-emulsion (ME), co-precipitation (CP), urea-combustion (UC) and sol-gel (SG) method. The textural and structural properties of the as-prepared solid solutions were carefully examined by means of BET. TEM, XRD and Raman techniques. Results showed that the ME sample exhibited a single cubic phase, whereas tetragonal or mixed phases such as cubic CeO2-rich and tetragonal ZrO2-rich phases, were found in the case of CP, UC and SG. Vegard's rule revealed that the homogeneity of these as-prepared solid solutions followed the order of ME>CP>UC>SG. TPR and CO-pulse experiments were adopted to evaluate the reducibility and the oxygen storage capacity (OSC) of the catalysts. It was found that the more homogenous the solid solution is, the more reducibility it is, i.e. both the reducibility and OSC followed the same order as that of homogeneity.
语种英语
WOS记录号WOS:000275158200008
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被引频次:29[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/141847
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, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
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Cao, Lei,Pan, Liwei,Ni, Changjun,et al. Autothermal reforming of methane over Rh/Ce0.5Zr0.5O2 catalyst: Effects of the crystal structure of the supports[J]. FUEL PROCESSING TECHNOLOGY,2010,91(3):306-312.
APA Cao, Lei,Pan, Liwei,Ni, Changjun,Yuan, Zhongshan,&Wang, Shudong.(2010).Autothermal reforming of methane over Rh/Ce0.5Zr0.5O2 catalyst: Effects of the crystal structure of the supports.FUEL PROCESSING TECHNOLOGY,91(3),306-312.
MLA Cao, Lei,et al."Autothermal reforming of methane over Rh/Ce0.5Zr0.5O2 catalyst: Effects of the crystal structure of the supports".FUEL PROCESSING TECHNOLOGY 91.3(2010):306-312.
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