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Influence of metal oxides on the performance of Pd/Al2O3 catalysts for methane combustion under lean-fuel conditions
Liu, Ying1,2; Wang, Sheng1; Gao, Diannan1; Sun, Tianjun1; Zhang, Chunxi1; Wang, Shudong1
关键词Methane Combustion Palladium Spinel Nh3-tpd
刊名FUEL PROCESSING TECHNOLOGY
2013-07-01
DOI10.1016/j.fuproc.2013.01.013
111页:55-61
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]PALLADIUM-BASED CATALYSTS ; ALUMINA-SUPPORTED PALLADIUM ; LOW-TEMPERATURE ; PD/CE-ZR/AL2O3 CATALYST ; THERMAL-STABILITY ; TOTAL OXIDATION ; CARBON-DIOXIDE ; PD CATALYSTS ; WATER-VAPOR ; SOL-GEL
英文摘要Pd/Al2O3 Catalysts modified by different metal oxides (Mn, Fe, La, Mg and Ni oxides) were prepared and tested for fuel-lean methane/air catalytic combustion. It was found that the support material influenced the combustion performance significantly. The addition of NiO or MgO effectively improved the activity and hydrothermal stability of catalysts. X-ray diffraction (XRD) results showed the presence of spinel phase in the Pd/Al2O3-NiO and Pd/Al2O3-MgO catalysts. Temperature-programmed desorption of ammonia (NH3-TPD) measurements indicated that the supports became weakly acidic because of the formation of NiAl2O4 or MgAl2O4 spinel. Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) images showed the well dispersion of Pd particles on the Al2O3-NiO and Al2O3-MgO supports. It was concluded that the formation of the NiAl2O4 or MgAl2O4 spinel phase during preparation would be beneficial for the methane catalytic performance of Pd catalysts. (c) 2013 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000317943200006
引用统计
被引频次:25[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/321008/137930
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 100039, Peoples R China
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Liu, Ying,Wang, Sheng,Gao, Diannan,et al. Influence of metal oxides on the performance of Pd/Al2O3 catalysts for methane combustion under lean-fuel conditions[J]. FUEL PROCESSING TECHNOLOGY,2013,111:55-61.
APA Liu, Ying,Wang, Sheng,Gao, Diannan,Sun, Tianjun,Zhang, Chunxi,&Wang, Shudong.(2013).Influence of metal oxides on the performance of Pd/Al2O3 catalysts for methane combustion under lean-fuel conditions.FUEL PROCESSING TECHNOLOGY,111,55-61.
MLA Liu, Ying,et al."Influence of metal oxides on the performance of Pd/Al2O3 catalysts for methane combustion under lean-fuel conditions".FUEL PROCESSING TECHNOLOGY 111(2013):55-61.
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