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Hydroprocessing catalysis by supported ruthenium sulfide

Journal Article · · J. Catal.; (United States)
OSTI ID:5469981
Ruthenium sulfide catalyzed hydrodenitrogenation (HDN) of quinoline and hydrodesulfurization (HDS) of benzothiophene were studied using a batch autoclave (cold filled with 3448 kPa of hydrogen), at 350/400/sup 0/C and 300/350/sup 0/C, respectively. Ruthenium from various precursors - (Ru Cl/sub 3/xH/sub 2/O), (Ru/sub 3/(CO)/sub 12/), (Ru(NH/sub 3/)/sub 6/)/sup 3 +/ - was supported on Y-zeolite and ..gamma..-Al/sub 2/O/sub 3/, and then sulfided. The catalysts were highly active for HDN but not for HDS by comparison with a conventional Ni-Mo/Al/sub 2/O/sub 3/ formulation. The results were attained with metal loadings (approx. 5%) much lower than those used in conventional hydroprocessing catalysts. Physical combination of the most active catalyst, ruthenium sulfide supported on Y-zeolite, with sulfided nickel molybdate on alumina resulted in a catalyst system with greatly enhanced activity for HDN.
Research Organization:
Univ. of Melbourne, Parkville, Australia
OSTI ID:
5469981
Journal Information:
J. Catal.; (United States), Journal Name: J. Catal.; (United States) Vol. 101:2; ISSN JCTLA
Country of Publication:
United States
Language:
English

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