Journal
CATALYSIS COMMUNICATIONS
Volume 14, Issue 1, Pages 15-19Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2011.07.003
Keywords
Catalytic oxidation; Toluene; Copper-manganese based catalysts; Water vapor
Categories
Funding
- National Natural Science Foundation of China [20936001]
- Science and Technology Research Foundation of Dong Guan City, China [200910814001]
- Research Foundation of State Key Lab of Subtropical Building Science, China [C710090Z]
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Copper and manganese based catalysts with different supports were prepared by impregnation method for toluene oxidation in the presence of water vapor. Their catalytic activity was tested in the absence and presence of water vapor. The results showed that the activity of catalysts CuMn(y)O-x/gamma-Al2O3 was higher than that of catalysts CuOx/gamma-Al2O3 and MnOx/gamma-Al2O3. The presence of water vapor had a negative effect on catalytic activity due to the competition of water molecules with toluene molecules for adsorption on surface active sites. The durability to water vapor followed the order: CuMn(1)O-x/Cordierite>CuMn(1)O-x/TiO2>CuMn(1)O-x/gamma-Al2O3. (C) 2011 Elsevier B.V. All rights reserved.
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