Ce-incorporation in mixed oxides obtained by the self-combustion method for the preparation of high performance catalysts for the CO2 reforming of methane

被引:30
|
作者
Enrique Daza, Carlos [1 ]
Moreno, Sonia [1 ]
Molina, Rafael [1 ]
机构
[1] Univ Nacl Colombia, Dept Quim, Fac Ciencias, Bogota, DC, Colombia
关键词
Reconstruction; Co precipitation; Cerium; Self combustion; Syngas; LAYERED DOUBLE HYDROXIDES; NOBLE-METALS; NI-CE; TRANSITION-METALS; PARTIAL OXIDATION; SYNTHESIS GAS; SUPPORTED NI; AL; HYDROTALCITES; CH4;
D O I
10.1016/j.catcom.2010.09.012
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Ce-incorporation in Ni-Mg-Al mixed oxides obtained by the self-combustion method was followed by the preparation of high performance catalysts for the CO2 reforming of methane The morphological textural and structural characteristics and basic properties were determined The mixed oxides were precursors of NI nano-particles less than 10 nm and they were partially reconstructed by the CeO2-incorporation without a morphological change The self-combustion method improves the surface areas and basicity of the co-precipitation method Catalysts with higher activities and selectivities and reduced coke formation were achieved by the self-combustion method H-2/CO ratios between 08 and 11 were obtained which are suitable for further applications (C) 2010 Elsevier B V All rights reserved
引用
收藏
页码:173 / 179
页数:7
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