Journal
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume 63, Issue -, Pages 84-94Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2018.02.002
Keywords
3DOM structure material; Soot particulates; Simultaneous removal; NH3-SCR
Funding
- National Natural Science Foundation of China [21673290, U1662103, 21673142, 21376261]
- 863 Program of China [2015AA034603]
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A series of three-dimensionally ordered macroporous (3DOM) Fe-Mn oxide catalysts are prepared using the colloidal crystal template method, and their catalytic performance is tested for eliminating soot and NOx. The 3DOM Fe-1-Mn-3-O-x catalyst exhibits the highest activity for eliminating soot and NOx. The temperature of maximum CO2 concentration (T-m) for soot combustion is 435 degrees C, and that for 80% NOx conversion is 302-485 degrees C. The high catalytic activity of 3DOM Fe-1-Mn-3-O-5 is due to its abundant oxygen vacancies, excellent reducibility, and sufficient acid sites. The use of low-cost catalysts will be beneficial for practical applications. (C) 2018 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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