Lanthanum modified Ni/γ-Al2O3 catalysts for partial oxidation of methane

被引：0
|
作者：
Ye Jilei
Li Zengxi
Duan Huachao
Liu Yuan [1 ]
机构：
[1] Tianjin Univ, Sch Chem Engn, Dept Catalysis Sci & Technol, Tianjin 300072, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Dept Chem, Beijing 100039, Peoples R China
来源：
JOURNAL OF RARE EARTHS | 2006年 / 24卷 / 03期
关键词：
catalyst; lanthanum; mechanism; methane; nickel; POM; rare earths;
D O I：
暂无
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
La modified Ni/-gamma-Al2O3 catalysts prepared by co-precipitation method using NaOH-Na2CO3 as a precipitator show high activity and selectivity for the partial oxidation of methane (POM). Meanwhile, the addition of La is beneficial for the formation of an active component and stability of support. We investigated some factors including calcining temperature, nickel content, and space velocity, which turned out to have a strong influence on catalytic activity and selectivity. By XRD and TPR, it is concluded that Ni-0 reduced from amorphous NiAl2O4 is the major active component for POM.
引用
收藏
页码：302 / 308
页数：7
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