Chinese Journal of Catalysis ›› 2010, Vol. 31 ›› Issue (3): 283-288.

• Articles • Previous Articles     Next Articles

Preparation and Characterization of Co0.2/Ce1-xZrxO2 Catalysts and Their Cata-lytic Activity for Soot Combustion

WEI Yuechang1, LIU Jian1, ZHAO Zhen1,*, JIANG Guiyuan1, DUAN Aijun1, HE Hong2, WANG Xinping3   

  1. 1State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China 2Department of Chemistry and Chemical Engineering, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100022, China
  • Received:2010-03-25 Online:2010-03-25 Published:2010-03-25

Abstract: Co0.2/Ce1-xZrxO2 catalysts showed very high activity for soot combustion under loose contact conditions. The right Ce/Zr molar ratio was beneficial for optimizing the dispersion of Co particles and enhancing the catalyst activity.

Key words: cerium, zirconium, solid solution, soot combustion, cobalt oxide, micropore-diffused coprecipitation