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Abstract:
Ruthenium ammonium chloride, Ru(NH3)(5)Cl-3, was prepared by the chemical reaction of ruthenium chloride with hydrazine hydrate and used as a novel ruthenium precursor for the preparation of activated carbon (AC)-supported Ru catalysts for ammonia synthesis. The results from TEM and CO chemisorption show that the Ru nanoparticles on the RuN/AC catalyst prepared from the Ru(NH3)(5)Cl-3 precursor have much higher dispersion and more uniform size distribution than that on the Ru/AC catalyst from the RuCl3 precursor. The activity of the RuN/AC catalyst for ammonia synthesis was increased by more than 10% compared with the Ru/AC catalyst under the reaction conditions of 10 MPa and 10 000 h(-1).
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CHINESE JOURNAL OF CATALYSIS
ISSN: 0253-9837
CN: 21-1601/O6
Year: 2009
Issue: 3
Volume: 30
Page: 185-190
0 . 7 8 6
JCR@2009
1 5 . 7 0 0
JCR@2023
ESI Discipline: CHEMISTRY;
JCR Journal Grade:3
CAS Journal Grade:1
Cited Count:
WoS CC Cited Count: 12
SCOPUS Cited Count: 12
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 2
Affiliated Colleges: