Abstract

The crystallization of MFI-type zeolite on the surface of reactive supports with dense or porous structure was studied. The reactive support has two functions: crystallization of zeolites can take place on the support surface and constituents for zeolite crystallization can be obtained in situ by partial dissolution of the support. The products obtained after crystallization were characterized by X-ray diffractometrie (XRD), scanning electron microscopy (SEM), and nitrogen adsorption. The results show that it is possible to use supports with different chemical composition as well as with different morphology for the crystallization of zeolitic layers by the method of partial transformation of the support into zeolitic structure, and a good adherence was achieved by this direct crystallization method.

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