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Chemical Papers

, Volume 72, Issue 8, pp 1973–1979 | Cite as

Catalytic removal of soot particles over MnCo2O4 catalysts prepared by the auto-combustion method

  • Huanrong Liu
  • Mengqi Zhuang
  • Zhanquan Zhang
  • Xiaodong Dai
  • Ling Qian
  • Zifeng Yan
Original Paper
  • 32 Downloads

Abstract

Soot removal for exhaust gas from diesel engine has been addressed due to the more stringent legislation and environmental concerns. MnCo2O4 catalysts were systematically prepared using glucose as a fuel via the auto-combustion method and applied for soot removal. The as-prepared samples were characterized by X-ray diffraction (XRD), O2-temperature-programmed oxidation (TPO) reaction and H2-temperature-programmed reduction reaction (H2-TPR). The catalytic activities for soot combustion were evaluated by micro activity test (MAT) with a tight contact mode between soot and catalysts. Compared with catalysts prepared by the solid state method without glucose, auto-combustion method in the presence of glucose can decrease the synthetic temperature, avoiding high temperature treatment and sintering. The catalysts prepared with glucose could catalyze soot oxidation effectively and the derived values of T10, T50, and T90 were 326, 408, and 468 °C in a tight contact mode, respectively, showing a significant drop of T10, T50, and T90 by 156, 177, and 178 °C for non-catalytic reaction.

Keywords

Spinel type Soot Auto-combustion method MnCo2O4 Catalyst 

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Copyright information

© Institute of Chemistry, Slovak Academy of Sciences 2018

Authors and Affiliations

  • Huanrong Liu
    • 1
  • Mengqi Zhuang
    • 2
  • Zhanquan Zhang
    • 2
  • Xiaodong Dai
    • 1
  • Ling Qian
    • 3
  • Zifeng Yan
    • 3
  1. 1.Sheng Li College China University of PetroleumDongyingChina
  2. 2.Petrochina Petrochemical Research Institute CNPCBeijingChina
  3. 3.State Key Laboratory of Heavy Oil ProcessingChina University of PetroleumQingdaoChina

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