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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.
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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
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 0
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