Homogeneous and heterogeneously catalyzed oxidation of SO2

被引：67
|
作者：
Jorgensen, Tommy L. [1 ]
Livbjerg, Hans [1 ]
Glarborg, Peter [1 ]
机构：
[1] Tech Univ Denmark, Dept Chem Engn, DK-2800 Lyngby, Denmark
来源：
CHEMICAL ENGINEERING SCIENCE | 2007年 / 62卷 / 16期
关键词：
SO2; SO3; sulfuric acid; reaction mechanism; catalysis;
D O I：
10.1016/j.ces.2007.05.016
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Oxidation of SO2-SO3 has been studied experimentally in laboratory flow reactors. The homogeneous oxidation by O-2 was characterized in the temperature range 1023-1323 K at semi-dry and moist conditions. The reaction was found to be very slow, in agreement with results from literature. The experimental data compared well with modeling predictions using a recently published reaction mechanism for gas-phase SO2 oxidation. The ability of quartz, alumina and iron oxide to catalyze the SO2 oxidation was studied in the temperature range 873-1273 K. Quartz was found to be inert to SO2 oxidation, while alumina promoted the oxidation. Iron oxide was found to be a strong oxidation catalyst, in agreement with results from literature. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：4496 / 4499
页数：4
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