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author:

Zhong, F. (Zhong, F..) [1] | Zhong, Y. (Zhong, Y..) [2] | Xiao, Y. (Xiao, Y..) [3] | Cai, G. (Cai, G..) [4] | Zheng, Y. (Zheng, Y..) [5] | Wei, K. (Wei, K..) [6]

Indexed by:

Scopus PKU CSCD

Abstract:

Three Pt/CeO2-ZrO2-La2O3 diesel oxidation catalysts were prepared by two different routes and characterized by X-ray diffraction, N2 adsorption, temperature-programmed reduction, temperature-programmed desorption, X-ray photoelectron spectroscopy, and infrared spectroscopy. The synthesis procedure affected the structure, texture, sulfur resistance, and catalytic activity of the catalysts. Sulfur poisoning increased the light-off temperature of all the catalysts, but the Pt/CeO2-ZrO2-La2O3 catalyst prepared by depositing ZrO2 and La2O3 on the surface of CeO2 nanoparticles exhibited better sulfur tolerance and catalytic activity with simulated diesel emission due to the high dispersion of Pt on CeO2-ZrO2-La2O3 oxide with a Zr-rich surface.

Keyword:

Ceria; Deposition-precipitation; Diesel exhaust purification; Lanthana; Platinum; Sulfur-poisoning; Zirconia

Community:

  • [ 1 ] [Zhong, F.]National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fuzhou 350002, Fujian, China
  • [ 2 ] [Zhong, Y.]National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fuzhou 350002, Fujian, China
  • [ 3 ] [Xiao, Y.]National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fuzhou 350002, Fujian, China
  • [ 4 ] [Cai, G.]National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fuzhou 350002, Fujian, China
  • [ 5 ] [Zheng, Y.]National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fuzhou 350002, Fujian, China
  • [ 6 ] [Wei, K.]National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fuzhou 350002, Fujian, China

Reprint 's Address:

  • [Wei, K.]National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fuzhou 350002, Fujian, China

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Source :

Chinese Journal of Catalysis

ISSN: 0253-9837

CN: 21-1601/O6

Year: 2011

Issue: 9

Volume: 32

Page: 1469-1476

1 . 1 7 1

JCR@2011

1 5 . 7 0 0

JCR@2023

JCR Journal Grade:2

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 23

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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