화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.63, 84-94, July, 2018
DOI10.1016/j.jiec.2018.02.002  Export Citation
Simultaneous removal of NOx and soot particulates from diesel engine exhaust by 3DOM Fe.Mn oxide catalysts
Junbin Tan, Yuechang Wei, Yuanqing Sun, Jian Liu†, Zhen Zhao, Weiyu Song, Jianmei Li, and Xiao Zhang
  • State Key Laboratory of Heavy Oil Processing and Beijing Key Lab of Oil & Gas Pollution Control, China University of Petroleum, Beijing 102249, PR China
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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 Fe1-Mn3-Ox catalyst exhibits the highest activity for eliminating soot and NOx. The temperature of maximum CO2 concentration (Tm) for soot combustion is 435 °C, and that for 80% NOx conversion is 302-485 °C. The high catalytic activity of 3DOM Fe1-Mn3-Ox 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.
Keywords:3DOM structure material;Soot particulates;Simultaneous removal;NH3-SCR
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