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- W2055032991 abstract "Pt particles supported on a physical mixture of alumina and HY zeolite were used in the hydrogenation of α-methyl-naphthalene (1-MeN) under conditions that approach industrial practice (P=6 MPa; T=498–548 K; WHSV=1 h−1). As compared with the Pt/alumina catalyst, the use of the hybrid support markedly enhances the activity of the platinum catalysts. A maximum in the rate of methyl tetralin formation was found using platinum supported on a mixture of 3 wt.% HY zeolite in alumina; whereas, for the catalysts with higher zeolite contents, the rate decreased. Results of catalyst characterisation by temperature-programmed desorption (TPD) of NH3, IR spectroscopy of adsorbed CO and pyridine, H2-chemisorption and X-ray photoelectron spectroscopy (XPS) revealed that methyl tetralin formation is favoured on bifunctional catalysts displaying moderate acidity. On the contrary, isomerisation and/or hydrocracking reactions of methyl tetralin are favoured in the more acidic catalysts containing higher contents (7% and 12%) of HY zeolite." @default.
- W2055032991 created "2016-06-24" @default.
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- W2055032991 date "2000-05-01" @default.
- W2055032991 modified "2023-09-26" @default.
- W2055032991 title "Methyl-naphthalene hydrogenation on Pt/HY–Al2O3 catalysts. An approach to hydrogenation of polyaromatic hydrocarbon mixtures" @default.
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- W2055032991 doi "https://doi.org/10.1016/s0378-3820(99)00125-3" @default.
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