Low-Temperature Catalytic Combustion of Cooking Fume over Pt/γ-Al2O3/Ce0.5-xZr0.5-xMn2xO2 Monolithic Catalyst

被引：15

作者：

Wang Jianli ^{[1
]}

Liao Chuanwen ^{[1
]}

Chen Yongdong ^{[1
]}

Cao Hongyan ^{[1
]}

Liu Zhimin ^{[1
]}

Gong Maochu ^{[1
]}

Chen Yaoqiang ^{[1
]}

机构：

[1] Sichuan Univ, Coll Chem, Minist Educ, Key Lab Green Chem & Technol, Chengdu 610064, Sichuan, Peoples R China

来源：

CHINESE JOURNAL OF CATALYSIS | 2010年 / 31卷 / 04期

关键词：

cooking fume; catalytic combustion; cerium-zirconium-manganese oxygen storage material; platinum; monolithic catalyst; OXYGEN STORAGE CAPACITY; DEFECTIVE STRUCTURE; REDOX PROPERTIES; SOLID-SOLUTIONS; OIL FUMES; MOBILITY; PR; RE; CE;

D O I：

10.1016/S1872-2067(09)60060-7

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The catalytic activity of the Pt/gamma-Al2O3/Ce0.5-xZr0.5-xMn2xO2 monolithic catalyst for the low-temperature catalytic combustion of cooking fume in a fixed-bed reactor was studied with a series of Ce0.5-xZr0.5-xMn2xO2 complex oxides, and the effect of the Mn amount in Pt/gamma-Al2O3/Ce0.5-xMn2xO2 was further investigated. The catalyst was characterized by X-ray diffraction (XRD), N-2 adsorption, and H-2-temperature-programmed reduction (H-2-TPR). XRD results revealed that Pt was well dispersed on the gamma-Al2O3 support and Ce0.5-xZr0.5-xMn2xO2 matrix. H-2-TPR and N-2 adsorption measurements showed the catalyst activity in the order x = 0.10 > x = 0.15 > x = 0.05 > x = 0 > x = 0.20. Pt/gamma-Al2O3/Ce0.4Zr0.4Mn0.2O2 had the highest activity (T-90 = 495 K).

引用

页码：404 / 408

页数：5

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