X-ray diffraction analysis and transmission electron microscopy of the evolution of the solid LaNixFe1-xO3 solution and nickel segregation in the preparation of synthetic gas by partial oxidation of methane

被引：0
|
作者：
Provendier, H
Petit, C
Ehret, G
Kiennemann, A
机构：
[1] ECPM Strasbourg, LERCSI, UMR 7515, F-67008 Strasbourg, France
[2] IPCMS, F-67037 Strasbourg, France
来源：
JOURNAL DE PHYSIQUE IV | 1998年 / 8卷 / P5期
关键词：
D O I：
10.1051/jp4:1998569
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Mixed perovskite oxides of LaNixFe1-xO3 (0 less than or equal to x less than or equal to 1) have been prepared by sol-gel like method and evaluated as catalysts for the partial oxidation of methane into synthesis gas without previous hydrogen treatment. The XRD and TEM analysis show the formation of a solid solution and the high homogeneity of the systems. The studies of the phases obtained after catalytic test permit to control the migration of a pad of nickel and its possible redispersion under oxidative treatment for trimetallic structures with values of x lower than x=0.4.
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页码：539 / 546
页数：8
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