Synthesis and characterization of a ferrierite made by recrystallization of an aluminium-containing hydrated magadiite
1998
Abstract A new method for the synthesis of high-silica ferrierite (Si/Al=15–18) by recrystallization of aluminium-containing magadiite varieties in air-dry state and aqueous suspension with piperidine as template is reported. Details on removal and thermal stability of the template occluded during the synthesis (four molecules per unit cell) are given. Properties (e.g. thermal and hydrothermal stability, acidity) of ferrierites prepared by the dry synthesis technique are presented and compositional and morphological characteristics of the products are compared with those of ferrierite conventionally prepared from alkaline SiO 2 /Al 2 O 3 gel in aqueous medium.
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