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- W2079697347 abstract "A series of Mg-ZSM-5 zeolite catalysts with different content of magnesium were prepared via a solid-state reaction of HZSM-5 with magnesium chloride at 327°C. X-ray determinations demonstrated that the structure and crystallinity of the catalysts were not changed as compared with HZSM-5 zeolite. The acidity of the catalysts was characterized by temperature programmed desorption of ammonia and infrared spectra of pyridine adsorption. The studies indicated that their Brønsted acid sites decreased and Lewis acid sites slightly increased with increasing magnesium amount in the zeolites. The catalytic properties of the catalysts have been examined by choosing the alkylation of toluene with methanol as probe reaction. The results showed that the modified zeolite catalysts significantly improved the initial activity and lifetime. Para-selectivity also increases to a level of 80–90%. These results indicate that the solid-state reaction is an effective and convenient route for modification of the zeolite." @default.
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- W2079697347 date "1997-03-01" @default.
- W2079697347 modified "2023-10-11" @default.
- W2079697347 title "The acidity and catalytic behavior of Mg-ZSM-5 prepared via a solid-state reaction" @default.
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- W2079697347 doi "https://doi.org/10.1016/s0926-860x(96)00239-6" @default.
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