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- W3189731266 abstract "The behaviour of LaNi[sub 5] as a hydrogenation catalyst has been the subject of several investigations. Soga et al. report that the hydrogenation of ethylene gas in the presence of H[sub 2] at 190-213 K by LaNi[sub 5] hydride takes place readily by extraction of hydrogen from the hydride phase which consequently decomposes but does not reform in the presence of ethylene. Others have examined a number of AB[sub 5] intermetallic compounds (A = rare earth metal and B = Ni) to determine their efficacy as catalysts in the synthesis of ammonia and the reduction of CO at elevated temperatures (>575 K). In both cases the intermetallic compound decomposed to form an oxide or nitride phase plus elemental Ni, however, this mixture exhibited significant catalytic activity, behaving much like elemental Ni on a metal oxide support. Johnson et al. report that both hydrided and dehydrided LaNi[sub 5] is an effective heterogeneous catalyst for the hydrogenation of 1-undecene at 308 K. Their investigation was concerned primarily with the determination of the differential activity of the catalyst due to the presence or absence of the hydride phase. The paper is an extension of the latter work in which the hyydrogenation of 1-octene is addressed using LaNi[sub 5]H[sub x] as a heterogeneous catalyst. (orig.)" @default.
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- W3189731266 date "1994-01-01" @default.
- W3189731266 modified "2023-09-23" @default.
- W3189731266 title "Hydrogenation of 1-octene using [alpha]/[beta]LaNi[sub 5]H[sub x] as a catalyst" @default.
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