Naphthalene total oxidation over metal oxide catalysts

被引：93

作者：

García, Tomds ^{[1
]}

Solsona, Benjamín ^{[1
]}

Taylor, Stuart H. ^{[1
]}

机构：

[1] Cardiff Univ, Sch Chem, Cardiff CF10 3AT, Wales

来源：

APPLIED CATALYSIS B-ENVIRONMENTAL | 2006年 / 66卷 / 1-2期

关键词：

VOCs; PAHs; catalytic oxidation; metal oxides; cerium oxide;

D O I：

10.1016/j.apcatb.2006.03.003

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：

Metal oxide catalysts (CoOx, MnOx, CuO, ZnO, Fe2O3, CeO2, TiO2, Al2O3 and CuZnO) prepared by a precipitation method have been characterised and tested for the total oxidation of naphthalene. The most effective catalyst for naphthalene oxidation was CeO2 prepared by a homogeneous precipitation method with urea. Moreover, the cerium oxide catalyst showed stable conversion with 100% selectivity to CO2 with time-on-stream at very low temperatures, 175 degrees C. The total oxidation of propane was also probed using the same range of catalysts and no correlation between naphthalene and alkane oxidation was apparent, indicating that different mechanisms are involved. It was observed that whilst redox properties were the main factor controlling propane total oxidation, the surface area and the strength of the bond between adsorbed molecules and catalyst surface were also important parameters affecting naphthalene catalytic combustion. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：92 / 99

页数：8

共 27 条

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