A highly stable catalyst in methane reforming with carbon dioxide

被引：26
|
作者：
Rezaei, M. [1 ]
Alavi, S. M. [2 ]
Sahebdelfar, S.
Yan, Zi-Feng [3 ]
机构：
[1] Univ Kashan, Fac Engn, Dept Chem Engn, Catalyst & Adv Mat Res Lab, Kashan, Iran
[2] Iran Univ Sci & Technol, Dept Chem Engn, Tehran, Iran
[3] China Univ Petr, CNPC, Key Lab Catalysis, State Key Lab Heavy Oil Proc, Dongying 257061, Peoples R China
来源：
SCRIPTA MATERIALIA | 2009年 / 61卷 / 02期
关键词：
Nanocrystalline materials; Catalysis; HIGH-SURFACE-AREA; ZIRCONIA MICROCRYSTALS; STABILIZATION; TEMPERATURE; METALS; OXIDE; CERIA; CH4;
D O I：
10.1016/j.scriptamat.2009.03.033
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The nickel catalyst (5% Ni-3% CeO(2)) supported on mesoporous nanocrystalline zirconia with high surface area and pure tetragonal crystallite phase showed high catalytic stability under severe reaction conditions for more than 1500 h on stream. This catalyst showed a stable catalytic structure even after this long period of reaction time. The obtained results revealed that ceria increased the nickel dispersion and had a positive effect in preventing coke formation and increasing catalyst stability. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：173 / 176
页数：4
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