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- W2050291203 abstract "Rates of C2H6, C3H8, and n-C4H10 hydrogenolysis are measured on homogeneous, SiO2-supported NiCu alloys for which surface and bulk compositions were shown to be very similar. Kinetic parameters (apparent energy of activation, orders) are copper concentration independent suggesting that the observed variations in the activities when adding Cu to Ni are due to changes in the number of active sites. Activities seem indeed to vary as the probability of finding ensembles of N adjacent nickel atoms at the surface of the alloy and are fully acounted for by purely geometric effects of dilution. Values of N vary between 12 and 20 according to the reaction. These values of N are in good agreement with results of magnetic studies of hydrocarbon chemisorption and with kinetic studies of hydrocarbon hydrogenolysis over NiSiO2 catalysts." @default.
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- W2050291203 title "Hydrogenolysis of C2H6, C3H8 and n-C4H10 over silica-supported nickel-copper catalysts" @default.
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- W2050291203 doi "https://doi.org/10.1016/0021-9517(80)90023-8" @default.
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