Methane partial oxidation using Ni/Ce0.9Zr0.1O2catalysts

被引：33

作者：

Larrondo, S. A. ^{[1
]}

Kodjaian, A. ^{[1
]}

Fabregas, I. ^{[2
]}

Zimicz, M. G. ^{[2
]}

Lamas, D. G. ^{[2
]}

Walsoee de Reca, B. E. ^{[2
]}

Amadeo, N. E. ^{[1
]}

机构：

[1] Univ Buenos Aires, Fac Ingn, Dept Ingn Quim, Lab Proc Catalit, RA-1428 Buenos Aires, DF, Argentina

[2] CONICET CITEFA, CINSO Ctr Invest Solidos, RA-1603 Villa Martelli, Argentina

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2008年 / 33卷 / 13期

关键词：

catalytic methane partial oxidation; hydrogen; Ce0.9Zr0.1O2;

D O I：

10.1016/j.ijhydene.2008.04.025

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：

The development of active and selective catalysts for methane partial oxidation is one of today's challenges, because these catalysts could be used either for hydrogen production purposes or as anode materials in single-chamber solid oxide fuel cells (SOFCs). In this work, the synthesis of ceria-zirconia solid solutions of nominal composition Ce0.9Zr0.1O2 through the gel-combustion route is presented. The solids obtained were impregnated with nickel solutions to achieve contents of 9% and 50% (m/m), characterized texturally and structurally, and their catalytic behavior in the methane partial oxidation reaction was assessed. The synthesis method was effective, leading to solids with good morphological properties. Likewise, the Ni/Ce0.9Zr0.1O2 catalysts proved to be active and showed a stable behavior during the working period, with methane conversion levels of 90% at temperatures above 550 degrees C, being hydrogen and carbon monoxide the main products. (C) 2008 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved.

引用

页码：3607 / 3613

页数：7

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