Abstract
Gold nanoparticles (2–10 nm) supported on γ-Al2O3 exhibit high activity and stability in the hydrogenation of phenylacetylene into styrene in the phenylacetylene-styrene mixture. The selectivity of the catalyst is particle size-dependent: the styrene-to-ethylbenzene molar ratio in the reaction products increases from 2 to 30 as the average gold particle size decreases from 8 to 2.5 nm. The selectivity of phenylacetylene hydrogenation correlates with the selectivity of phenylacetylene adsorption on Au/γ-Al2O3 from the phenylacetylene-styrene mixture.
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Original Russian Text © S.A. Nikolaev, N.A. Permyakov, V.V. Smirnov, A.Yu. Vasil’kov, S.N. Lanin, 2010, published in Kinetika i Kataliz, 2010, Vol. 51, No. 2, pp. 305–309.
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Nikolaev, S.A., Permyakov, N.A., Smirnov, V.V. et al. Selective hydrogenation of phenylacetylene into styrene on gold nanoparticles. Kinet Catal 51, 288–292 (2010). https://doi.org/10.1134/S0023158410020187
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DOI: https://doi.org/10.1134/S0023158410020187