Oxidation of lean formaldehyde in air over an Au/CeO2 catalyst and its kinetics

被引：15

作者：

Yang, Xuzhuang ^{[1
,3
]}

Shen, Yuenian ^{[1
]}

Bao, Lili ^{[1
]}

Zhu, Huaiyong ^{[2
]}

Yuan, Zhangfu ^{[3
]}

机构：

[1] Inner Mongolia Univ, Coll Chem & Chem Engn, Hohhot 010021, Peoples R China

[2] Queensland Univ Technol, Sch Phys & Chem Sci, Brisbane, Qld 4001, Australia

[3] Chinese Acad Sci, Inst Proc Engn, Beijing 100080, Peoples R China

来源：

REACTION KINETICS AND CATALYSIS LETTERS | 2008年 / 93卷 / 01期

基金：

澳大利亚研究理事会; 中国国家自然科学基金;

关键词：

gold nanoparticles; kinetics; Au/CeO2; supported catalyst;

D O I：

10.1007/s11144-008-5187-8

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 oxidation of low concentration formaldehyde in air over Au/CeO2, prepared by co-precipitation, was investigated. Power-law kinetic models were proposed and the parameters were estimated, which are r = -0.46 x e(-14612/RT) C-HCHO(303 K < T < 363 K) and r = -295.78 x e(-34178/RT) C-HCHO (363 K < T < 413 K). The mechanism of the reaction at low temperatures might be different from that at high temperatures.

引用

页码：19 / 25

页数：7

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