期刊
CATALYSIS COMMUNICATIONS
卷 9, 期 6, 页码 1453-1457出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2007.12.012
关键词
SCR; Ce/TiO2; NOx; NH3; sulfur dioxide; water vapour
Samples of cerium supported on titania with different Ce loadings have been prepared by an impregnation method and tested for the selective catalytic reduction of NO by NH3 in the presence of excess oxygen. The catalysts with 5% Ce and above had high activity in the temperature range 275-400 degrees C at a space velocity of 50,000 h(-1). All the catalysts showed an excellent selectivity to N-2 and high tolerance to SO2 and H2O under our test conditions. (C) 2007 Elsevier B.V. All rights reserved.
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