期刊
CATALYSIS COMMUNICATIONS
卷 37, 期 -, 页码 96-99出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2013.03.035
关键词
Mn-Ce mixed oxide; Carbon nanotubes; NO conversion; Low-temperature activity; SCR
资金
- Scientific and Technological Innovation Project of Fujian Province [2010H2005]
- Educational Office of Fujian Province [JK2011004]
A series of Mn-Ce mixed-oxide catalysts supported on carbon nanotubes (CNTs) were prepared for the first time and used for the selective catalytic reduction of NO with NH3. Mn(0.4)-Ce/CNTs catalysts with loading from 0.6% to 1.8% (molar ratio) in our tests showed more than 90% NO conversion at 120-180 degrees C at a high space velocity of 42,000 h(-1). Transmission electron microscopy confirmed that the particle size of Mn-Ce mixed oxides supported on CNTs was 2 to 4 nm. BET result indicated Mn-Ce mixed-oxide catalysts obtained enlarged surface area and pore volume which was beneficial to the catalytic activity. (C) 2013 Elsevier B.V. All rights reserved.
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