Partial oxidation of methane over Ni catalysts based on hexaaliminate- or perovskite-type oxides

被引：45

作者：

Utaka, T

Al-Drees, SA

Ueda, J

Iwasa, Y

Takeguchi, T

Kikuchi, R

Eguchi, K ^{[1
]}

机构：

[1] Kyoto Univ, Grad Sch Engn, Dept Energy & Hydrocarbon Chem, Sakyo Ku, Kyoto 6068501, Japan

[2] King Abdulaziz City Sci & Technol, Petr & Petrochem Res Inst, Riyadh 11442, Saudi Arabia

来源：

APPLIED CATALYSIS A-GENERAL | 2003年 / 247卷 / 01期

关键词：

partial oxidation of methane; hexaaluminate; perovskite; Ni catalysts;

D O I：

10.1016/S0926-860X(03)00129-7

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：

Ni/Al2O3. hexaaluminate-type BaNixAl12-xO19-alpha and perovskite-type LaAl5/6Ni1/6O3 were investigated for partial oxidation of methane (POM). The hexaaluminate-type BaNiAl11O19-alpha calcined at 1400degreesC demonstrated more stable and higher activity than Ni/Al2O3 calcined at 1000degreesC. The BaNiAl11O19-alpha catalyst reduced at 1000 degreesC was more active than the catalyst reduced at 800 degreesC. The results from XPS analysis revealed that the hexaaluminate-type catalysts calcined and reduced at higher temperature had Ni-rich surfaces and highly dispersed Ni species derived from hexaaluminate crystal, resulting in high activity for partial oxidation of methane. (C) 2003 Elsevier Science B.V. All rights reserved.

引用

页码：125 / 131

页数：7

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