engleski

Effect of metal cations in FAU type zeolite on acid sites

Faujasite type zeolite isolated from the gel with a composition of 4Na2O:Al2O3:10SiO2:158H2O after 48 h at 100°C was modified during synthesis using cetrimonium bromide (CTAB), or post-synthetically treated with sodium hydroxide aqueous solution in order to create mesopores. This way prepared material was then wet impregnated using metal salts of magnesium(II), cobalt(II), nickel(II), or zinc(II). The effect of exchanged metal cation on Brønsted and Lewis acid sites was observed using adsorption of deuterated acetonitrile in vacuum IR.

FAU ; wet impregnation ; vacuum IR ; mesopores

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