CO2 reforming of methane over modified Ni/ZrO2 catalysts

被引：0
|
作者：
Li, XS [1 ]
Chang, JS [1 ]
Tian, MY [1 ]
Park, SE [1 ]
机构：
[1] Korea Res Inst Chem Technol, Catalysis Ctr Mol Engn, Taejon 305600, South Korea
来源：
APPLIED ORGANOMETALLIC CHEMISTRY | 2001年 / 15卷 / 02期
关键词：
CO2; reforming; Ni/ZrO2; support modification; alkaline-earth metal oxides; promoters;
D O I：
10.1002/1099-0739(200102)15:2<109::AID-AOC102>3.0.CO;2-U
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
CO2 reforming of methane was performed over two series of modified Ni/ZrO2 catalysts having high nickel contents. One is the modification of zirconia with lanthanum-, cerium- or manganese-oxide. Among them, Ni/La-ZrO2 exhibited the highest activity and good stability, whereas Ni/Ce-ZrO2 and Ni/Mn-ZrO2 gave low carbon formation during the reaction. The other modified catalysts were prepared by adding basic oxides to the nickel side. Ni-Mg/ZrO2 exhibited the best activity and stability, wherein a magnesium promoter is attributed to increasing the dispersion of nickel and enhancing the interaction between CO2 and the catalyst during the CO2 reforming, Copyright (C) 2001 John Wiley & Sons, Ltd.
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页码：109 / 112
页数：4
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