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author:

Lin, J.-X. (Lin, J.-X..) [1] | Zhang, L.-M. (Zhang, L.-M..) [2] | Wang, R. (Wang, R..) [3] | Ni, J. (Ni, J..) [4] | Wei, K.-M. (Wei, K.-M..) [5]

Indexed by:

Scopus PKU CSCD

Abstract:

Ru/CeO 2 catalysts were prepared using K 2RuO 4 and Ce(NO 3) 3 as the raw materials by redox methods. The obtained catalysts were characterized by N 2 physisorption, X-ray diffraction (XRD), field-emission scanning electron microscopy (FE-SEM), CO chemisorption and temperature-programmed reduction (H 2-TPR). The Ru/CeO 2 catalyst prepared by self redox co-precipitation has the largest surface area of 120 m 2·g -1and the highest dispersion of 45.6%. The Ru/CeO 2 catalyst prepared by self redox co-precipitation shows the best activity, the ammonia concentration in the exit gas reaches 12.6% under the conditions of 10.0 MPa, 425 °C,and 10000 h -1.

Keyword:

Ammonia synthesis; Ceria; Redox; Ruthenium

Community:

  • [ 1 ] [Lin, J.-X.]National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fuzhou 350002, China
  • [ 2 ] [Zhang, L.-M.]National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fuzhou 350002, China
  • [ 3 ] [Wang, R.]National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fuzhou 350002, China
  • [ 4 ] [Ni, J.]National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fuzhou 350002, China
  • [ 5 ] [Wei, K.-M.]National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fuzhou 350002, China

Reprint 's Address:

  • [Lin, J.-X.]National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fuzhou 350002, China

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Source :

Chinese Journal of Inorganic Chemistry

ISSN: 1001-4861

Year: 2012

Issue: 7

Volume: 28

Page: 1377-1382

0 . 7 2

JCR@2012

0 . 8 0 0

JCR@2023

JCR Journal Grade:4

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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