Water gas shift reaction of reformed fuel over supported Ru catalysts

被引：81
|
作者：
Utaka, T [1 ]
Okanishi, T [1 ]
Takeguchi, T [1 ]
Kikuchi, R [1 ]
Eguchi, K [1 ]
机构：
[1] Kyoto Univ, Grad Sch Engn, Dept Energy & Hydrocarbon Chem, Sakyo Ku, Kyoto 6068501, Japan
来源：
APPLIED CATALYSIS A-GENERAL | 2003年 / 245卷 / 02期
关键词：
water gas shift reaction; CO oxidation; Ru catalyst; reformed fuels;
D O I：
10.1016/S0926-860X(02)00657-9
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：
Precious metal catalysts (Ir, Pd, Pt, Rh and Ru) supported on Al2O3 and Ru catalysts on CeO2, La2O3, MgO, Nb2O5, Ta2O5, TiO2, V2O5 and ZrO2 were investigated for water gas shift reaction of reformed gas. Ru/V2O3 catalyst reduced at 400 degreesC in H demonstrated the highest activity for the shift reaction without producing methane. The activities for the shift reaction over Ru catalysts supported on different oxides were not correlated with BET surface area or Ru dispersion, but the activity depended on the chemical character of oxide supports. The catalyst supported on a strongly basic or acid oxide is not effective for the shift reaction. In the same series of catalysts like Ru/V2O3, the activity systematically changed with BET surface area and Ru dispersion. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：343 / 351
页数：9
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